| 
                
                    | 
                    
                        | Dada and Momsy Doo |  
                        | Scooby's parents |  
                        |  |  
                        | Dada and Momsy Doo are owned by Mom and Pop Rogers. |  |   |  
                    | Appearance: The Ghouliest Show on Earth (The 13 Ghosts of Scooby-Doo)
 Wedding Bell Boos part 1 and 2 (The All New Scooby and Scrappy Doo Show)
 The Weredog of Doo Manor (A Pup Named Scooby-Doo)
 Curse of the Collar (A Pup Named Scooby-Doo)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Dixie-Doo |  
                        | Scooby's cousin |  
                        |  |  
                        |  |  |   |  
                    | Appearance: Showboat Scooby (The New Scooby-Doo Mysteries)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Dooby-Doo |  
                        | Scooby's cousin |  
                        |  |  
                        | Dooby-Doo is Scooby's cousin. He is a singer, and one of the only Doo's to have hair on his head. |  |   |  
                    | Appearance: The "Dooby Dooby Doo" Ado (The New Scooby-Doo Mysteries)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Grandpa Scooby |  
                        | Scooby's grandfather |  
                        |  |  
                        | Grandpa Scooby lives at Scooby Manor, which is Scooby's family home. |  |   |  
                    | Appearance: Scooby's Roots (The Richie Rich/Scooby-Doo Show)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Great-Grandpa Scooby |  
                        | Scooby's great-grandfather |  
                        |  |  
                        | Great-Grandpa Scooby appears as a ghost from the Civil War. |  |   |  
                    | Appearance: Scooby's Roots (The Richie Rich/Scooby-Doo Show)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Horton-Doo |  
                        | Scooby's uncle |  
                        |  |  
                        | Horton-Doo is interested in science and monsters. |  |   |  
                    | Appearance: The Weredog of Doo Manor (A Pup Named Scooby-Doo)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Howdy-Doo |  
                        | Scooby's brother |  
                        |  |  
                        | Howdy-Doo enjoys reading supermarket tabloids newspapers. |  |   |  
                    | Appearance: The Curse of the Collar (A Pup Named Scooby-Doo)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Ruby-Doo |  
                        | Scooby's sister |  
                        |  |  
                        | Ruby-Doo is Scrappy's mother. |  |   |  
                    | Appearance: Scrappy's Birthday (The Scooby-Doo and Scrappy-Doo Show)
 Curse of the Collar (A Pup Named Scooby-Doo)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Scooby-Dee |  
                        | Scooby's cousin |  
                        |  |  
                        | Scooby-Dee was an actress, who had a southern accent. She appeared in "The Chiller Diller Movie Theater" which aired on October 1, 1977. |  |   |  
                    | Appearance: The Chiller Diller Movie Thriller (The Scooby-Doo Show)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Scooby-Dum |  
                        | Scooby's cousin |  
                        |  |  
                        | Scooby-Dum is a grey Great Dane with buck-teeth who is quite dim-witted, but he longed to be a detective. Scooby-Dum lives with Ma and Pa Skillet in the Okefenokee swamp of southern Georgia. |  |   |  
                    | Appearance: The Gruesome Game of The Gator Ghoul (The Scooby-Doo Show)
 The Headless Horseman of Halloween (The Scooby-Doo Show)
 Vampire Bats and Scaredy Cats (The Scooby-Doo Show)
 The Chiller Diller Movie Thriller (The Scooby-Doo Show)
 Laff-A-Lympics as a member of the Scoobie Doobies
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Scrappy-Doo |  
                        | Scooby's nephew |  
                        | 
                            
                                | Voice: | Lennie Weinrib (1979) Don Messick (1980 - 1997)
 Scott Innes (2002 - present)
 |  |  
                        | Scrappy is the son of Scooby's sister Ruby-Doo. |  |   |  
                    | Appearance: The Scooby-Doo and Scrappy-Doo Show
 The Scooby-Doo/Scrappy-Doo/Puppy Hour
 The All-New Scooby and Scrappy-Doo Show
 The New Scooby-Doo Mysteries
 The 13 Ghosts of Scooby-Doo
 Scooby-Doo Meets the Boo Brothers
 Scooby-Doo and the Ghoul School
 Scooby-Doo and the Reluctant Werewolf
 Scooby-Doo (live-action movie)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Skippy-Doo |  
                        | Scooby's brother |  
                        |  |  
                        | Skippy-Doo is Scooby's triplet brother. He is highly intelligent and the only sibling to wear glasses. |  |   |  
                    | Appearance: The Curse of the Collar (A Pup Named Scooby-Doo)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Whoopsy-Doo |  
                        | Scooby's cousin |  
                        |  |  
                        | Whoopsy-Doo is owned by Gaggy Rogers, Shaggy's uncle.  Whoopsy is a clown. |  |   |  
                    | Appearance: Wedding Bell Boos part 1 and 2 (The All New Scooby and Scrappy Doo Show)
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Yabba-Doo |  
                        | Scooby's brother |  
                        |  |  
                        | Yabba-Doo was owned by Deputy Dusty in the southwest.  His catch phrase was "Yippity-Yabbity-Doooo!!!" |  |   |  
                    | Appearance: The Scooby-Doo/Scrappy-Doo/Puppy Hour
 |  | 
		| 
 | 
		| 
                
                    | 
                    
                        | Yankee Doodle Doo |  
                        | Scooby's ancestor |  
                        |  |  
                        | Yankee Doodle Doo came to Plymouth, Massachusetts aboard the Mayflower with Shaggy's ancestor, McBaggy Rogers. |  |   |  
                    | Appearance: A reference was made to him in Wedding Bell Boos
 |  |