Robotboy 1x13 Brother - Trakt

KatMaz on X: Protoboy & Protogirl are about to face off! Who will win? 👀 My Instagram has more drawings like these 😁 @KatMazArt #robotboy #protoboy #protogirl #robotgirl @GaumontTV @Gaumont_Anim @cartoonnetwork #cartoonnetwork #

Superactivited Protoboy and Robotboy by Loxerion on DeviantArt

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Protoboy, Near Pure Evil Wiki

Protoboy by FreezingMist on DeviantArt

robotboy

What if protoboy was fixed by a random professor after he turned evil? (Credit to kindah_is_here_UwU for this) : r/robotboy

Character Suggestion: Protoboy from Robotboy

Protoboy by Bean8540 on DeviantArt

Protoboy, Wiki