Ronnie Bergstedt

Ronnie Bergstedt is a scout boy and is in Ms. Vanthrax's classroom and a close friend of Ginger. He has curly brown hair and wears glasses. In Cheat Code, he reveals that he is Builder X, an elite SquareStack player.

Appearance
Ronnie is an eccentric, geeky kid with large, round-rimmed glasses and a scout uniform that he wears everywhere.

Season 3

 * Talent Show: He was a contestant at the singing contest. He scored 29.5 points out of 30.
 * The Lost Scouts: He was one of the scouts at a scout trip.
 * The Substitute Teacher: He was one of Ginger's classmates.
 * Tom the Brave: He was at the dentist appointment. When Tom came back hypnotized, Ronnie allowed him to go before him.
 * The Other Tom (non-speaking)
 * Cheat Code: It was revealed that Ronnie was Builder X. He gave Tom a cheat code for SquareStack, which Ben modified and broke the game.
 * Retro Sonic Angela (non-speaking cameo in flashback)
 * Glitch Apocalypse (non-speaking cameo in flashback)

Season 4

 * The Secret Life of Ms. Vanthrax (non-speaking)
 * The Bad Germ (non-speaking)
 * The Weather Machine (non-speaking)
 * Basketball Hero: He was in Hank's class. (non-speaking)
 * Escape: Impossible! (flashback, cameo)