Suggestions by @FanCaster99
399 suggestions
Jeffrey Tambor
as King Neptune (The 1st “SpongeBob SquarePants” Movie) in SpongeBob Universe Guest Stars
Mark Hamill
as The Flying Dutchman (The 4th “SpongeBob SquarePants” Movie) in SpongeBob Universe Guest Stars
Brian Doyle-Murray
as The Flying Dutchman (2D Animation and Stop-Motion Animation) in SpongeBob Universe Guest Stars
Billy Ray Cyrus
as Buck Buckerson in Phineas and Ferb Guest Stars
J.K. Simmons
as JB in Phineas and Ferb Guest Stars
Kevin Smith
as Clive Addison in Phineas and Ferb Guest Stars
Ben Stiller
as Khaka Peu Peu in Phineas and Ferb Guest Stars
Seth MacFarlane
as Jeff McGarland in Phineas and Ferb Guest Stars
Tina Fey
as Annabelle Johnson in Phineas and Ferb Guest Stars
Brenda Song
as Wendy in Phineas and Ferb Guest Stars
Corbin Bleu
as Coltrane in Phineas and Ferb Guest Stars
Malcolm McDowell
as Reginald Fletcher in Phineas and Ferb Guest Stars
Jack McBrayer
as Irving in Phineas and Ferb Guest Stars
John Stamos
as Meap in Phineas and Ferb Guest Stars
Jeff Foxworthy
as Southern Meap in Phineas and Ferb Guest Stars
Allison Janney
as Charlene Doofenshmirtz in Phineas and Ferb Guest Stars
John O'Hurley
as Mayor Roger Doofenshmirtz in Phineas and Ferb Guest Stars
Cloris Leachman
as Eliza M. Feyersied in Phineas and Ferb Guest Stars
Alan Cumming
as The OWCA Haberdasher in Phineas and Ferb Guest Stars
Pink (singer)
as Special Musical Guest #2 in SpongeBob Universe Guest Stars