Glenn Williams
Glenn Williams is a Canadian puppeteer, actor, voice actor, and ventriloquist who is best known for being one of the puppeteers of Dr. Colosso on The Thundermans. For over 50 years, he's done many entertainment styles since the age of 7 when he showcased his ventriloquism on Pete's Place. Now an adult, Glenn has puppeteered on numerous productions, besides Thundermans, such as Tomorrowland, Animal Control, X Files, and Critters: A New Binge, to name a few. As for on-screen acting, Williams appeared in numerous television shows and films such as Millennium, Hostage Negotiator, The Christmas Train, and A Series of Unfortunate Events. Other puppeteers he got to work with in his career include Jeny Cassady, probably the only Muppet puppeteer to ever work with him, so far at least. It's a shame he didn't puppeteer on Fraggle Rock: Back to the Rock, he would've been perfect as one of the additional performers. Glenn Williams still got to become another one of the greatest...