Suggestions by @ln95

Jackson Robert Scott

as Oliver in Oliver and company

Will Smith

as Fright Knight in Danny Phantom

Rihanna

as Lydia in Danny Phantom

Bill Skarsgård

as Freakshow in Danny Phantom

Kaley Cuoco

as Penelope Spectra in Danny Phantom

Owen Wilson

as Lance in Danny Phantom

Eddie Murphy

as Damon Gray in Danny Phantom

Madison Iseman

as Star in Danny Phantom

Jorge Benito

as Youngblood in Danny Phantom

Taron Egerton

as Klemper in Danny Phantom

Elle Fanning

as Dora Mattingly in Danny Phantom

Kathy Bates

as Lunch Lady Ghost in Danny Phantom

Zendaya Coleman

as Valerie Gray in Danny Phantom

Victoria Justice

as Paulina in Danny Phantom

Alexander Ludwig

as Dash Baxter in Danny Phantom

Idris Elba

as Skulker in Danny Phantom

Alan Cumming

as Nicolai Technus in Danny Phantom

Kelsey Grammer

as Mr. Lancer in Danny Phantom

Olivia Holt

as Ember McLain in Danny Phantom

Naomi Scott

as Desiree in Danny Phantom