His birth caused his mothers death.
He became an artist instead of a warrior, like his father wanted. After seeing one of his art shows, he declared to have no son.
All his life he created art, dabbled with fractal infinties, for example.
During Invasion*, he decided to wreck the Earth (which would still leave billions of humans, and even more of other kind of animals, alive). As an art piece. A performance.
Died because of it. Part of the plan.
Oh, just so you know, he didn`t succeed with the destruction.
*One of the tie-in issues he appeared in.