Performer
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio rank
#12691
of 909177 performers
Top 5%
Jeff 'Swampy' Marsh works on transformation rather than volume, and the catalogue keeps proving that the quieter choice was the correct one.
The essay
Our editors on the work, the patterns and the reason this body of work holds together.
Jeff 'Swampy' Marsh appears in 4 films in the Nutevio catalogue, and none of them would work the same way without Jeff. Spiked is the clearest case: a film rated 8.0 by our editors, where the performance carries weight the script only implies.
The recognisable elements are transformation, comedy, screen presence. Watch two of these films back to back and the method separates from the material — the same instrument, tuned differently for adventure, family, animation. It is a style built on what is withheld as much as what is played.
Working with Dan Povenmire, Robert Hughes, Jeff 'Swampy' Marsh helped set a standard other performers now audition against. Awards bodies have been slower than the work, which is usually the sign of a career built on choices rather than campaigns.
Spiked (2025) as Big Boss Croc / Exterminator (voice) · Phineas and Ferb the Movie: Candace Against the Universe (2020) as Major Monogram (voice) · Phineas and Ferb: Star Wars (2014) as Major Hologram / Imperial Officer Jeff / Additional Voices
Career snapshot
Ranked #12691 of 909177 performers tracked in the Nutevio library.
Films in Nutevio
4
2011–2025
Career length
14 yrs
Measured across our catalogue
Academy Awards
—
Unknown
Oscar nominations
—
Unknown
Highest Nutevio score
8.0
Spiked
Average Nutevio score
7.4
Across catalogue work
Highest IMDb rating
8.0
Spiked
Most frequent director
Dan Povenmire
2 films together
Longest collaboration
2×
With Dan Povenmire
Most common genre
Family
4 titles
Average runtime
1h 15m
Across catalogue work
Golden Globe wins
—
Unknown
Nutevio metric
Ten weighted categories, applied identically to everyone we cover.
Nutevio Performer Score
7.0
out of 10
A performer whose catalogue work here is strong, with the fuller case still to be made.
Nutevio metric
Cultural impact and legacy, measured separately from craft — how far the work travelled once it left the cinema.
Nutevio Influence Score
6.7
out of 10
A quieter influence — felt inside the films rather than across the industry.
How far the work travelled past the people who saw it first.
What survives once the release-week conversation has burned off.
Institutional acknowledgement, weighted but never decisive.
Years of chosen, relevant work rather than years merely employed.
Statuettes, read as evidence rather than verdict.
Roles named without needing the film named alongside them.
Directors who wrote parts because this performer existed.
The reading other performers now have to answer.
Actor DNA
A fingerprint derived from the roles themselves — register, range and the kind of film they carry.
The shape of a career
Every performance plotted in time. Hover a point to read the title behind it.
Peak years
Where the scores, the awards and the sheer volume of work agree with each other.
Best decade
2020s
7.6 average MV
The 2020s are where the work and the material meet. Spiked, Phineas and Ferb the Movie: Candace Against the Universe — the run our editors reach for first when the argument is about range rather than fame.
Highest average Nutevio score
2020s
7.6
Across 2 catalogue films in this decade, our scores never drop below the level a career is judged on.
Highest average IMDb rating
2020s
7.6
The public agrees most strongly about this stretch — useful context, and occasionally a decade behind our own reading.
Most awarded era
2010s
0 Academy Awards
Statuettes for the films themselves, which is the honest way to read an ensemble career. Phineas and Ferb: Star Wars, Phineas and Ferb The Movie: Across the 2nd Dimension.
Most productive era
2010s
2 films
The busiest stretch of the catalogue — volume that reads as appetite rather than availability.
Range, mapped
Genres down the side, decades across the top. Warmer cells mean stronger titles.
| Genre | 2010s | 2020s |
|---|---|---|
| Action | 7.22 films | — |
| Comedy | 7.22 films | 7.21 film |
Chronology
Firsts and peaks
The turning points, in the order they happened.
First film in Nutevio
2011Phineas and Ferb The Movie: Across the 2nd Dimension
Where our catalogue meets this career, as Major Francis Monogram / Monogram-2 (voice).
Highest rated performance · Career peak · Most recent film
2025Spiked
8.0 on the Nutevio scale, the top of the catalogue for this performer. Weighing billing against the film's own quality, this is the point where everything aligned at once. The current state of the argument, as Big Boss Croc / Exterminator (voice).
Our order
Every performance in the catalogue, ordered by Nutevio Score.
Every title
Filter by genre or decade, and compare any two titles side by side.
4 of 4 films
as Major Monogram (voice)
Directed by Dan Povenmire
as Major Hologram / Imperial Officer Jeff / Additional Voices
Directed by Robert Hughes
as Major Francis Monogram / Monogram-2 (voice)
Directed by Dan Povenmire
From the library
Every movie and TV credit stored for this name in the Nutevio catalogue — filter by media, role or sort by rating.
Loading credits…
The defining work
#1
Big Boss Croc / Exterminator (voice)
Spiked (2025)
Performance score8.0
The performance the rest of the career is read through. Big Boss Croc / Exterminator (voice) gives Jeff 'Swampy' Marsh a structure to work against, and the film hands over its centre of gravity without hesitation.
View movie#2
Major Monogram (voice)
Phineas and Ferb the Movie: Candace Against the Universe (2020)
Performance score7.1
Phineas and Ferb the Movie: Candace Against the Universe asks for something the previous films did not, and gets it. Major Monogram (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#3
Major Hologram / Imperial Officer Jeff / Additional Voices
Phineas and Ferb: Star Wars (2014)
Performance score7.1
Phineas and Ferb: Star Wars asks for something the previous films did not, and gets it. Major Hologram / Imperial Officer Jeff / Additional Voices is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movie#4
Major Francis Monogram / Monogram-2 (voice)
Phineas and Ferb The Movie: Across the 2nd Dimension (2011)
Performance score7.0
Phineas and Ferb The Movie: Across the 2nd Dimension asks for something the previous films did not, and gets it. Major Francis Monogram / Monogram-2 (voice) is played without a single line of pleading for the audience's sympathy — which is exactly why it lands.
View movieStart here
A guided path through the work, ordered so each film explains the next.
Best entry point
as Big Boss Croc / Exterminator (voice)
Start here. Spiked is the clearest statement of what Jeff 'Swampy' Marsh does — accessible, 85 minutes, and rated 8.0 by our editors. No context required.
Our editors order this path by accessibility first and chronology second. You meet Jeff at the most legible performance, then move forward in time so each film reads as a response to the one before it rather than a repetition of it.
Phineas and Ferb The Movie: Across the 2nd Dimension (2011)
Keeps the adventure register of Spiked but asks for a colder reading of it.
Phineas and Ferb: Star Wars (2014)
Keeps the action register of Phineas and Ferb The Movie: Across the 2nd Dimension but asks for a colder reading of it.
Phineas and Ferb the Movie: Candace Against the Universe (2020)
Keeps the science fiction register of Phineas and Ferb: Star Wars but asks for a colder reading of it.
Company kept
The directors and performers this career keeps returning to.
Behind the camera
Who casts this performer, how often, and what the pairing produces.
Dan Povenmire
Director
2 films together · 7.2 avg MV
A working relationship rather than a booking — 2 films, and the register shifts each time.
Best film together
Phineas and Ferb the Movie: Candace Against the UniverseRobert Hughes
Director
1 film together · 7.2 avg MV
One film, but the kind that reorganises how a performer is cast afterwards.
Best film together
Phineas and Ferb: Star WarsSix degrees
Follow the thread outward — director, film, co-star, and the film after that.
Categories of our own
Six editorial categories we apply to every performer we cover.
Most rewatchable
Spiked
as Big Boss Croc / Exterminator (voice)
The one that survives a fourth viewing. Nothing in the performance depends on surprise, which is why it keeps paying out.
Most emotional performance
Spiked
as Big Boss Croc / Exterminator (voice)
Grief played at conversational volume. The film never asks the audience to cry; the performance simply makes it difficult not to.
Most influential performance
Spiked
as Big Boss Croc / Exterminator (voice)
You can hear this reading in other actors' auditions a decade later — the surest measure of influence there is.
Best ensemble performance
Phineas and Ferb the Movie: Candace Against the Universe
as Major Monogram (voice)
Work that makes everyone else in the frame better without ever pulling the camera towards itself.
Career defining performance
Spiked
as Big Boss Croc / Exterminator (voice)
If the career had to be argued in a single scene, our editors would pick one from this film and rest the case.
In their films' words
“You can build a whole film around a performer who knows when not to speak. Jeff 'Swampy' Marsh has known it for a long time.”
Head to head
Put two careers on the same scale and see where the argument actually sits.
Ours alone
Recognitions handed out by this desk, on criteria no awards body uses.
Modern Classic Performer
Awarded
Defining performances delivered inside the last twenty-five years, in films already being taught rather than merely remembered.
Family Legend
Awarded
4 catalogue titles in family, each one a reference point for the films that followed.
Our desk
Best ending, best opening, best twist and the rest — categories we apply to everyone we cover.
Best ending
Spiked
as Big Boss Croc / Exterminator (voice)
The last five minutes reorganise everything before them, and hold up when you already know what's coming.
Best opening
Spiked
as Big Boss Croc / Exterminator (voice)
A first sequence that states the rules of the film without explaining a single one of them.
Most emotional
Spiked
as Big Boss Croc / Exterminator (voice)
The film where the technique steps aside and lets the feeling arrive undefended.
Best twist
Spiked
as Big Boss Croc / Exterminator (voice)
A reversal earned by information the film gave you and trusted you to misread.
Best visual achievement
Spiked
as Big Boss Croc / Exterminator (voice)
Images that would survive with the sound switched off.
Best action sequence
Phineas and Ferb: Star Wars
as Major Hologram / Imperial Officer Jeff / Additional Voices
Geography, stakes and consequence held in the same frame — spectacle you can follow.
Best dialogue
Phineas and Ferb The Movie: Across the 2nd Dimension
as Major Francis Monogram / Monogram-2 (voice)
Lines written to be spoken, staged so the pauses do half the work.
Most underrated film
Spiked
as Big Boss Croc / Exterminator (voice)
The public vote sits below ours on this one, and the direction is the reason for the gap.
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Have your say
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Reference
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