Robert Tinkler is an actor who voiced Mump in Undergrads and Rubeus in Sailor Moon. He also voices Buzz in Cyberchase. Also, he was the voice of pelswck on the Nickelodeon show Pelswick He also played the voice of Cooper in Dino Crisis Wikipedia
The definitive Wikipedia entry for Robert Tinkler. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Robert_Tinkler