Grimlock
"There was a time when the rage that boils inside Grimlock would have driven him straight to the ranks of the Decepticons. But while his flawed manner of speaking may make him sound strange, he's smart enough to recognize a bully when he sees one - and Grimlock doesn't like bullies. It's this that fuels his dedication to fight against the Decepticons."

Blaster
"Autobot Blaster has amassed an incredible amount of music from across the galaxy. From hundreds of worlds he's gathered the loudest, fastest, most brutal, ear splitting guitar shredding rock-and-roll he could find. When you charge into battle alongside Autobot Blaster, you are accompanied with a thunderous soundtrack of which the mightiest viking would approve"