Glenn Zimmerman

1984

• [ ] A Merry Mirthworm Christmas (Animation) 

1986

• [ ] A Mirthworm Masquerade (Animation) 

1987

• [ ] The Three Fishketeers (Animation) 

1988

• [ ] Garfield: His 9 Lives (Animation) 

1990

• [ ] Aliens Next Door (Animation) 
• [ ] Garfield's Feline Fantasies (Key Animation) 

1991

• [ ] Jingle Bell Rap (Animation) 
• [ ] Garfield Gets a Life (Animation) 

1993

• [ ] Up on the Housetop (Animation) 
• [ ] Just Me and My Dad (Animation) 

1994

• [ ] O' Christmas Tree (Animation) 

1997

• [ ] The First Easter Egg (Animation) 

2008

• [ ] Garfield Gets Real (Character Designer) 

2008

• [ ] Garfield Gets Real (Art Direction) 

1990

• [ ] Garfield's Feline Fantasies (Storyboard) 

1991

• [ ] Garfield Gets a Life (Layout)