Conversation so far:
What is meant by the Ugly Kid Joe character?
Named Overdrive, the band got its name Ugly Kid Joe as a parody of L.A. glam band Pretty Boy Floyd
What did the character Ugly Kid Joe represent?
Ugly Kid Joe became popular in the early 1990s, mixing satirical humor and heavy metal. Its logo was a cartoon embodiment of an ugly kid wearing a backwards baseball hat.
Who designed the character Ugly Kid Joe?
Ugly Kid Joe stated, We actually had Moish Brenman. He did all our art. He did the Ugly Kid logo from day one.

Question: What other characters were designed?
Self-contained rewrite: What other characters were designed besides Ugly Kid Joe?