Protoboy by aztinos on DeviantArt

Superactivited Protoboy and Robotboy by Loxerion on DeviantArt

Robotboy Robotboy S02 E025 – The Revenge of Protoboy / Everybody Loves Grandma - video Dailymotion

Protoboy 3d model by thomas1158 on DeviantArt

Robotboy - - If Protoboy hurt Tommy, #Robotboy hurt Protoboy ! . . . #Ro

Robotboy The Revenge Of Protoboy Reversed

Protoboy Tribute

Protogirl and Protoboy by KatMaz on DeviantArt

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

🥚🛰 on X: two of the most dangerous enemies to robotboy and the chop socky, protoboy and kobura, now fused together to create: KORO!!!!! 🐍🤖 #chopsockychooks #robotboy / X

Thabo Mosia on Instagram: You always like Robotboy better than Protoboy. Now get vengeance!!! #robotboy #protoboy #nostalgia #cartoonnetwork #cartoon #tv #mecha #robot #oldschoolcartoons #art #artist #artistsofinstagram #digitaldrawing #digitalart