Emperor Mollusk.
Intergalactic Menace. Destroyer of Worlds. Conqueror of Other Worlds. Mad Genius. Ex-Warlord of Earth.
Not bad for a guy without a spine.
But what's a villain to do after he's done . . . everything. With no new ambitions, he's happy to pitch in and solve the energy crisis or repel alien invaders should the need arise, but if he had his way, he'd prefer to be left alone to explore the boundaries of dangerous science. Just as a hobby, of course.
Retirement isn't easy though. If the boredom doesn't get him, there's always the Venusians. Or the Saturnites. Or the...