Yu Zhengsheng (于正昇, Paul Yu, December 12, 1970, Taiwan) is a voice actor from Taiwan, known for voicing Bugs Bunny and Sylvester in Baby Looney Tunes, Plankton and Mermaid Man in SpongeBob SquarePants and Mordecai in Regular Show.
| Year | Image | Character | Title |
|---|---|---|---|
| 2008-Present | 
|
Plankton | SpongeBob SquarePants |
| 2008-Present | 
|
Gary | SpongeBob SquarePants |
| 2008-Present | 
|
Mermaid Man | SpongeBob SquarePants |
| 2011-2017 | 
|
Mordecai | Regular Show |
| 2011-2017 | 
|
Hi Five Ghost | Regular Show |
| 2015 | 
|
Bill Andersen | Inside Out |
| 2002-2008 | 
|
Numbuh 4 / Wallabee Beatles | Codename: Kids Next Door |
| 2001-2006 | 
|
Mojo Jojo | The Powerpuff Girls |
| 2002-2005 | 
|
Baby Bugs Bunny | Baby Looney Tunes |
| 2002-2005 | 
|
Baby Sylvester | Baby Looney Tunes |
| 2001-2004 | 
|
Flash / Wally West | Justice League |
| 1999-2004 | 
|
Xiao Gang | Pokémon |
| 1997-2004 | 
|
Carl Chryniszzwics | Johnny Bravo |
| 2001 | 
|
Prince Philip | Sleeping Beauty |
| 2001 | 
|
King Stefan | Sleeping Beauty |
| 1998 | 
|
Earl | Cow and Chicken |
| 1995-1997 |  
|
The Mask / Stanley Ipkiss | The Mask: Animated Series |
| 1995 | 
|
Thomas | Pocahontas |
| 1995 | 
|
Little John | Robin Hood |
| 1989-1990 | 
|
Mole | Chip 'n' Dale Rescue Rangers |
| 1990 | 
|
Timothy Q. Mouse | Dumbo |