Richard Steven Horvitz
Grey Matter (voice)
EpisodeS1E1323 min2006-03-25
Ben 10
Secrets
Vilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.
Ben 10
Vilgax tries to get the Omnitrix for himself while Grandpa Max's strange past becomes known, causing a showdown between Vilgax and the Tennyson family.