male
Bolivar Trask is an enemy of the X-Men and the scientist who built the mutant-hunting robots called the Sentinels. He first appeared in X-Men #14 in 1965 and was created by Stan Lee and Jack Kirby.
Bolivar Trask
Most Underrated Super Villain
for Most Underrated Super Villain in Best & Worst of Marvel
Suggested by mikeypascual
This is for hardcore Marvel fans only (and casual fans I guess). DC fans, get lost!