I'm gonna throw my support to the Rumble/Frenzy as amps idea. And Ravage, I'll take whatever they give out! But you know what would be REALLY cool? Electric guitar SquawkTalk and his amplifier Beast Box. Merges into SquawkBox, Soundwave's lead singer!
I've been trying to figure out how to fit his frame into a subwoofer lately. Maybe the speaker cones could split in half to become his paws.