Dr. Colosso on the Run. Help the Superhero Thunderman team capture the escaped Dr. Colosso. Dr. Colosso is Max Thunderman’s sarcastic pet bunny. Formerly a powerful human super villain, Dr. Colosso was destroyed by Hank Thunderman revived and changed him into a talking bunny that currently lives with Max Thunderman in his lair. He wants to get back to his old trouble-making line of evil work one day, but for now Dr. Colosso offers help advice to his devoted Max and teaches him loads of mischief.