Suggestions by @joshh

Rodger Bumpass

as Tennessee Tuxedo in Tennessee Tuxedo: The Movie

Score: +2

Gary Anthony Williams

as Jagger Jagular in Winnie the Pooh

Score: +4

Phil LaMarr

as Jagger Jagular in Winnie the Pooh

Score: +4

Kevin Michael Richardson

as Jagger Jagular in Winnie the Pooh

Score: +3

Stephen Stanton

as Heff Heffalump in Winnie the Pooh

Score: +2

Wayne Knight

as Tigger in Winnie the Pooh

Score: +4

Jim Cummings

as Owl in Winnie the Pooh

Score: +1

Jeff Bennett

as Tigger in Winnie the Pooh

Score: 0

Mark Hamill

as Eeyore in Winnie the Pooh

Score: +5

John DiMaggio

as Tigger in Winnie the Pooh

Score: +2

John Kassir

as Stan Woozle in Winnie the Pooh

Score: +6

Jim Cummings

as Heff Heffalump in Winnie the Pooh

Score: +1

Eric Bauza

as Heff Heffalump in Winnie the Pooh

Score: +2

Brad Garrett

as Heff Heffalump in Winnie the Pooh

Score: +3

Eric Idle

as Professor Phineas J. Whoopee in Tennessee Tuxedo: The Movie

Score: +1

Fred Tatasciore

as Tigger in Winnie the Pooh

Score: +1

Ben Schwartz

as Piglet in Winnie the Pooh

Score: +4

Dee Bradley Baker

as GoGo DoDo in Tiny Toons Looniversity

Score: +1

Dee Bradley Baker

as Little Beeper in Tiny Toons Looniversity

Score: +1

Paul Julian

as Little Beeper in Tiny Toons Looniversity

Score: +1