Biographical information

Tromaville, New Jersey




Melvin Junko/Ferd, the Toxic Avenger, the Monster Hero


Fighting, evil sense, dismembering foes

Weapon(s) of choice



Janitor (before transformation), crime fighter/superhero (after transformation)

Physical description

Mutant Human



Hair color

none (formerly red)

Out of universe information
First appearance

The Toxic Avenger (film)

Created by

Lloyd Kaufman, Michael Herz

Teachers and Students

The Toxic Avenger (real name Melvin Junko/Ferd) is the main character of the film series of the same name.


Melvin Junko was a stereotypical 90 lb., nerdy, weakling janitor of a health club who everyone hated. One day, after being tricked into kissing a sheep, a humiliated Melvin tries to flee from everyone at the club, only to jump out of a window into a drum of toxic waste, causing him to transform into a hideously deformed creature of superhuman size and strength, known as the Toxic Avenger.


As the Toxic Avenger, Melvin possesses enough super strength to lift a Greyhound bus and turn it around, and some invulnerability, as he's seen on the cover of an issue to the short lived Marvel "Toxic Avenger" comic yawning as criminals open fire on him (his only weakness, according to the musical, is common, household bleach). He also has enhanced agility and reflexes, has a danger detecting sixth sense called "Tromatons" which also enable him to sense the evil in others, and urinates acid.


Toxie's main weapon is his mop.

He will also use his hands and any item he can find if necessary.


In the first film, Toxie is played by Mitch Cohen, voiced by Kenneth Kessler, and as Melvin, he is played by Mark Torgl.  In the second and third movies, he is played by Ron Fazio (who also voices him) and John Altamura, and when he is turned back into Melvin during the finale of the third movie, he is played by Michael J. Kaplan.  In the fourth movie, he is played by David Mattey and voiced by Clyde Lewis.  For his cameo in Class of Nuke 'Em High Part 2, he is played by Thomas Perry, and in Terror Firmer, he is played by Roy David.

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