Frank Welker (73)

Fred Jones / Scooby-Doo (voice)

Matthew Lillard (49)

Shaggy Rogers (voice)

Grey DeLisle (45)

Daphne Blake (voice)

Kate Micucci (39)

Velma Dinkley (voice)

Wanda Sykes (55)

Wanda Sykes (voice)

Ian James Corlett (56)

Sherlock Holmes (voice)

Ricky Gervais (58)

Ricky Gervais (voice)

Rachel Kimsey (40)

Wonder Woman (voice)

Penn Jillette (64)

Penn Jillette (voice)

Teller (71)

Teller (voice)

Jaleel White (42)

Steve Urkel / Urkel-Bot (voice)

Jim Gaffigan (52)

Jim Gaffigan (voice)

'Weird Al' Yankovic (59)

'Weird Al' Yankovic (voice)

Sia (43)

Sia (voice)

Kenan Thompson (41)

Kenan Thompson (voice)

Kevin Conroy (63)

Batman (voice)

Steven Weber (58)

Alfred Pennyworth (voice)

Mark Hamill (67)

The Trickster (voice) / Mark Hamill (voice) / Joker (voice)

Whoopi Goldberg (63)

Whoopi Goldberg (voice)

Charlie Schlatter (53)

The Flash (voice)

George Takei (82)

George Takei (voice)

Halsey (24)

Halsey (voice)

Steve Buscemi (61)

Steve Buscemi (voice)

Jeff Dunham (57)

Jeff Dunham / Walter (voice)

Darci Lynne Farmer (14)

Darci Lynne Farmer / Petunia (voice)

Maddie Ziegler (16)

Maddie Ziegler (voice)

Jeff Foxworthy (60)

Jeff Foxworthy (voice)

Malcolm McDowell (76)

Malcolm McDowell (voice)

Jennifer Hale (47)

Thorn (voice)

Jane Wiedlin (61)

Dusk (voice)