Invincible creator Robert Kirkman says Bryan Cranston keeps turning down a role in the animated superhero show. "Sometimes an actor is brought up for a role, and I’m like, 'Oh my gosh, never in a million years would have I thought of that.

Invincible is known for its absolutely stacked voice cast, adding new characters, big and small, voiced by well-known celebrities. But one actor has been pursued for years