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First appeared in West Coast Avengers Vol. 2 #46 in 1989 and was created by John Byrne. Flatman was a mutant who can flatten and stretch his body to great lengths and the second-in-command of the Great Lakes Avengers.
Flatman
John Byrne
for John Byrne in Most notable comic characters by creator
Suggested by mikeypascual
Which characters do you think the writers are most notable for creating?
