I'm tired of this motherfucking allspark and this motherfucking whiny bitch ass Glavatron on my motherfucking planetary body.
Honestly, this entire convo and nobody's said the obvious choice? Bennedict Motherfucking Cumberbatch
You know, I always felt right from his first appearance that Prime Unicron sounded like the king of the Island of Misfit Toys. Noble could be good with a decent voice director. Which the movies have.