The Voice Behind Your Favorite Cartoon Characters You might not recognize his face, but you’ve definitely heard his voice. Charlie Adler is a prolific voice actor who has brought some of animation’s most iconic characters to life. From the mischievous Buster Bunny in Tiny Toon Adventures to the grumpy Ed and Bev Bighead in Rocko’s Modern Life, Adler's vocal range is nothing short of impressive. Fans of Aaahh!!! Real Monsters will remember him as Ickis, while those who grew up in the late '90s li