Home People Richard Steven Horvitz Richard Steven Horvitz movies Richard Steven Horvitz movies Richard Steven Horvitz Movies (22) Invader ZIM: Enter the Florpus (2019) As Zim (voice). He was 52 years old Meeting MacGuffin (2017) As Gormal MacGuffin (voice). He was 50 years old I Know That Voice (2014) As Himself. He was 47 years old Saving Santa (2013) As Orange Haired Elf. He was 47 years old Ben 10: Destroy All Aliens (2012) As Grey Matter. He was 45 years old The Informant! (2009) As Bob Zaiderman. He was 43 years old Underfist: Halloween Bash (2008) As Billy / Harold / Pumpkin / Trick-or-Treater Eater. He was 42 years old The Grim Adventures of the Kids Next Door (2007) As Billy/Harold. He was 41 years old Billy & Mandy: Wrath of the Spider Queen (2007) As Billy / Billy's Dad. He was 40 years old Billy & Mandy's Big Boogey Adventure (2007) As Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz). He was 40 years old Cartoon Network Christmas: Yuletide Follies (2004) As Billy (Voice). He was 38 years old The Adventures of Tom Thumb & Thumbelina (2002) As Additional Voices (voice). He was 36 years old Cats & Dogs (2001) As Puppy in Barn (voice). He was 34 years old Jingle Bells (1999) As Cheddar (voice). He was 32 years old Sherman's Way: A Kid's Guide to Coping with Change (1996) As Corny. He was 29 years old Mighty Morphin Power Rangers: Alpha's Magical Christmas (1994) As Alpha 5. He was 28 years old How I Got Into College (1989) As Young Energizer. He was 22 years old Summer School (1987) As Alan Eakian. He was 20 years old Snowbound (1994) As Daggett Beaver. He was 28 years old Angry Beavers in: "Bye Bye Beavers" (2001) As Daggett Beaver. He was 34 years old Billy and Mandy Save Christmas (1969) As Billy. Nicktoons (1969) As Daggett Doofus Beaver (voice).
