King Sid was the King of the Playground before the events of Recess. He was the predecessor of King Bob. Not much is known about him, except that King Bob pulled a prank on him and became the Prankster Prince before retiring that title to become King of the Playground.
| 3rd Street School Kings | |
|---|---|
| Known Kings | King Mortimer (1935-36) - King Franklin (1980's; unknown) - King Al (1991-92) - King Wally (1992-93) - King Chuck (1993-94) - King Sid (1996-97) - King Bob (1997-98) - King Gus (1997-98)(Temporary) - King Freddy II (1998-99) |
| Implied Kings | King Freddy I |