Suggestions by @marianomarquez

Paul McCartney

as Dreamcast Eggman in Sonic The Hedgehog - Towards The Sonicverse

Score: +1

Ryan Reynolds

as Goku Kent/Kakarot in YGO Kingdom Hearts: Dragon Ball Z Smallville: Quest for the Saiyan Stones Saga

Score: +1

Keanu Reeves

as Vegeta in YGO Kingdom Hearts: Dragon Ball Z Smallville: Quest for the Saiyan Stones Saga

Score: +1

Yoko Ono

as Yoko Ono in The Beatletoons Movie (1997)

Score: 0

Long John Baldry

as Dr. Robotnik in The Beatletoons Movie (1997)

Score: +1

Alan Silvestri

as Composer in The Beatletoons Movie (1997)

Score: +1

Harold Ramis

as Writer in The Beatletoons Movie (1997)

Score: +1

Robert Zemeckis

as Director in The Beatletoons Movie (1997)

Score: +1

Leonardo DiCaprio

as Sexy Boy in The Beatletoons Movie (1997)

Score: +1

Wayne Allwine

as Mickey Mouse in The Beatletoons Movie (1997)

Score: +1

Dick Emery

as Jeremy Hilary Boob Ph.d in The Beatletoons Movie (1997)

Score: +1

Sean Schemmel

as Son Goku in The Beatletoons Movie (1997)

Score: +1

Michael J. Fox

as Marty McFly in The Beatletoons Movie (1997)

Score: +2

Mike Myers

as Austin Powers in The Beatletoons Movie (1997)

Score: +1

Christopher Evan Welch

as Tails The Fox in The Beatletoons Movie (1997)

Score: +1