Carl Sagan (2 Episodes), Benjamin Franklin/Elvis Presley/Clint Eastwood/Babe Ruth/Thomas Edison (2 Episodes), Self (2 Episodes), Donald Trump/Russian Hacker (2 Episodes), Adolf Hitler (2 Episodes), J.P. Morgan (2 Episodes), Adolf Hitler/Randy Savage "Macho Man" (2 Episodes), Steve Irwin (1 Episode), James T. Kirk (1 Episode), James Bond (Sean Connery) (1 Episode), Mutt (1 Episode), Gandalf (1 Episode), Adam (1 Episode), Skrillex (1 Episode), Alfred Hitchcock (1 Episode), Genghis Khan (1 Episode), Thing 1 / Thing 2 (1 Episode), The Burger King (1 Episode), Walter White (1 Episode), Elon Musk (1 Episode), Phil McGraw (1 Episode), Pablo Picasso (1 Episode), Mitt Romney (1 Episode), Frank Sinatra (1 Episode), Robin (1 Episode), Chuck Norris (1 Episode), Leonardo (body)/ Donatello (body) / Michelangelo (body/voice) / Raphael (body) (1 Episode), Ragnar Lodbrok (1 Episode), George R. R. Martin/Mikey Walsh (1 Episode), Wolverine (1 Episode), John McCain (1 Episode), Clyde Barrow (1 Episode), Bill Gates (1 Episode), White Death (1 Episode), Bill O'Reilly (1 Episode), white preacher (1 Episode), The Terminator (1 Episode), Clint Eastwood (1 Episode), Marlon Brando (1 Episode), Vlad the Impaler (1 Episode), Stan Lee (1 Episode), Thor (voice) (1 Episode), Mario (1 Episode), John "Hannibal" Smith/Templeton "Faceman" Peck/Captain H.M. "Howling Mad" Murdock/ Mr. McFeely (1 Episode), Charlemange (1 Episode), Roman soldiers (1 Episode), Pennywise/Superman (1 Episode), Bill S. Preston/Genghis Khan/Napoleon Bonaparte/Socrates (1 Episode), Bruce Banner (1 Episode), Theodore Roosevelt (1 Episode), Thanos (1 Episode), Frederick the Great/Joseph Stalin/Mikhail Gorbachev (1 Episode), Napoleon Bonaparte (1 Episode), Superman (1 Episode), Gordon Ramsay (1 Episode), Lilly Truscott (1 Episode), Christmas elves (1 Episode), Ash Williams (1 Episode), William Wallace (1 Episode), Elvis Presley (1 Episode), Babe Ruth (1 Episode), Hannibal Lecter (1 Episode), Karl Marx (1 Episode), Bobby Orr (1 Episode), Marty McFly (1 Episode), Al Capone (1 Episode), Joseph Stalin/Mikhail Gorbachev (1 Episode), Jeff Bezos (1 Episode), Donald Trump / Theodore Roosevelt (1 Episode), Harry Houdini (1 Episode), Robin Williams (1 Episode), Johann Sebastian Bach (1 Episode), Socrates (1 Episode), King Kong (voice) (1 Episode), Thomas Edison (1 Episode), John McClane (1 Episode), Adam Savage/Stay Puft Marshmallow Man (Voice) (1 Episode), Leonidas (voice)/Leonidas' six-year-old son (1 Episode)
