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 The Cheat Code, he reveals that he is Builder X.

Season 3

 * Talent Show (non-speaking)
 * The Lost Scouts
 * The Substitute Teacher
 * Tom the Brave
 * The Other Tom (non-speaking)
 * Cheat Code
 * 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
 * Escape: Impossible! (flashback, cameo)