Scooby-Doo and Guess Who? season 1 characters

• 
  Actor (The Fastest Fast Food Fiend!)
• 
  Augie Anderson
• 
  Antique dealer (Ollie Ollie In-Come Free!)
• 
  Arnie
• 
  Assistant (Ollie Ollie In-Come Free!)

• 
  Banana Splits
• 
  Bast
• 
  Batman
• 
  Bee Man of Alcatraz
• 
  Beefeater guard (Elementary, My Dear Shaggy!)
• 
  Bob (Revenge of the Swamp Monster!)
• 
  Bobby (Elementary, My Dear Shaggy!)
• 
  Boo
• 
  Businesswoman (Now You Sia, Now You Don't!)

• 
  Caddy (Revenge of the Swamp Monster!)
• 
  Cat Mummy
• 
  Civil War Zombie Ghosts (A Mystery Solving Gang Divided)
• 
  Contractor (Quit Clowning!)
• 
  Crackpot Sherlock
• 
  Curator (The Scooby of a Thousand Faces!)

• 
  Debbie (Speed Bugs)
• 
  Demolition boss (The Cursed Cabinet of Professor Madds Markson!)
• 
  Dinosaurs (Attack of the Weird Al-Osaurus!)
• 
  A.J. Dobbs

• 
  Ebb
• 
  Elmo

• 
  Fish Monster (Peebles' Pet Shop of Terrible Terrors!)
• 
  Tess Flemmings
• 
  Burt Friendly
• Category:Funky Phantom Crew
• 
  Funky Phantom Crew

• 
  Jim Gaffigan
• 
  Ricky Gervais
• 
  Ghost of Madds Markson
• 
  Ghost sergeant (A Mystery Solving Gang Divided)
• 
  Skip Gilroy
• 
  Magilla Gorilla

• 
  Arthur C. Habberknackles
• 
  Hugo Hauser

• 
  Janitor (The Scooby of a Thousand Faces!)
• 
  Janitor (When Urkel-Bots Go Bad!)
• 
  Jebb
• 
  Jewelry store owner (Now You Sia, Now You Don't!)
• 
  Penn Jillette
• 
  Joker
• 
  Hadlee P. Jones

• 
  Kirk Langstrom
• 
  Abraham Lincoln
• 
  Lunch lady (When Urkel-Bots Go Bad!)

• 
  Madds Markson Monster
• 
  Man-Bat
• 
  Mark (Speed Bugs)
• 
  Big Bob McAllister
• 
  Meghan
• 
  Michelle (Attack of the Weird Al-Osaurus!)
• 
  Minotaur (The Scooby of a Thousand Faces!)
• 
  Jonathan Wellington Muddlemore
• 
  Museum director (When Urkel-Bots Go Bad!)

• 
  Old woman (Ollie Ollie In-Come Free!)
• 
  Old woman (The Fastest Fast Food Fiend!)
• 
  Ollie

• 
  Chris Paul
• 
  Pazzo the Ghost Clown
• 
  Mr. Peebles
• 
  Pete and Pete
• 
  Poison Ivy
• 
  Prankster

• 
  Scarface
• 
  Screaming Skulls of London
• 
  Security guard (Elementary, My Dear Shaggy!)
• 
  Security guard (When Urkel-Bots Go Bad!)
• 
  Sia
• 
  Sia Doppelganger
• 
  Sia's housekeeper
• 
  Sia's manager
• 
  Sia's trainer
• 
  Simone (Scooby-Doo and Guess Who?)
• 
  Spectral Speedster
• 
  Speed Buggy
• 
  Speed Bugs
• 
  April Stewart
• 
  Swamp Monster (Revenge of the Swamp Monster!)
• 
  Wanda Sykes

• 
  Bill Tally
• 
  Doc Tally
• 
  Rick Tally
• 
  Teacher (Revenge of the Swamp Monster!)
• 
  Technomancer
• 
  Teller
• 
  Kenan Thompson
• 
  Tinker
• 
  Josephine Tuttle

• 
  Steve Urkel

• 
  Ventriloquist

• 
  Wonder Woman

• 
  Weird Al Yankovic