Garbage Mimicry – The being has a body composed of garbage.
Garbage Man appeared in Toxic! #28 (Apocalypse).
Garbage Man ends up being a superhero that even works with Batman in Weird Worlds #1 (DC).
Sludge (Malibu) is more a muck character than a garbage character and appears in Sludge #1 (Malibu).
The Heap is the original garbage character and appeared in The Heap #1 (Skywald).
Biohazard (Marvel) – OHOTMU A – Z Update #4
Hedorah – Godzilla Legends #4 (IDW)
Human Garbage – Edison Rex #14 (Monkey Brain)
Innardo – TMNT Mutant Universe Sourcebook #3 (Archie)
Toxic Waste Warrior (Marvel) – Brute Force V1 #3
Franklin Richards: Son of Genius (Marvel), accidentally creates a garbage monster in Tails of the Pet Avengers – The Dogs of Summer.