Keith Silverstein

Keith Silverstein is a well-known voice actor for TV series and video games. In Club Penguin Island, he voiced Rockhopper.
==Filmography==
*Rainbow Butterfly Unicorn Kitty - Prince Frostwinkle; Gingerbread Man; Prince Bonkers
*Kingdom Hearts III - Additional Voices
*The Division 2 - Additional Voices
*Supergirl - Child of Liberty
*Call of Duty: Black Ops 4 - Specialist Reaper
*Spider-Man - Hammerhead
*Hotel Transylvania 3: Summer Vacation - Additional Voices
*Overwatch - Torbjörn
*Lego Marvel's Avengers - Jasper Sitwell; Moon Knight
*Batman: Arkham Knight - Lex Luthor
*Teenage Mutant Ninja Turtles - Kirby O'Neil