Looking at the 4 Hero early EP The Head Hunter, with its back cover cartoon of the group as malformed beings grotesquely mutated owing to their experimentation with speeding up the bpm...
It struck me they had one thing in common with The Groundhogs
But there must be many other examples of musicians becoming comic-strip characters or animations.
Well, there's the animated sequences in The Great Rock'n'Roll Swindle - a ruse around the non-participation of Johnny Rotten in the movie, the virtual nonparticipation of Vicious, and lack of documentary footage of certain key episodes
original cel for Rotten
And here's that whole cartoon sequence from tGRnRS
another sequence involving Vicious and his mum (plus smack and incest) (not actually in the finished movie) seeded these images on the left of the Great Rock'n'Swindle gatefold