2523556 - safe, edit, editor:lovetime17, rarity, crossover, protoboy, robotboy, vs - Derpibooru

608489 - safe, artist:maybelle, pinkie pie, zeti, g4, crossover, sonic lost world, sonic the hedgehog (series), zor - Derpibooru

Protoboy, Robotboy Wiki

1739748 - safe, artist:darksly, derpibooru import, sweetie belle, oc, oc:bitmaker, cyborg, pony, robot, robot pony, unicorn, amputee, commission, cute, diasweetes, duality, female, filly, prosthetic limb, prosthetics, self ponidox, sweetie bot - Twibooru

Protoboy, Robotboy Wiki

2134510 - dead source, safe, artist:elioo, rarity, cybertronian, equestria girls, g4, autobot, crossover, detective rarity, equestria bots, fedora, female, gun, hand on hip, hat, smiling, species swap, strongarm, transformerfied, transformers

2138026 - dead source, safe, artist:elioo, rarity, sunset shimmer, cybertronian, equestria girls, g4, my past is not today, autobot, crossover, equestria bots, knock out, singing, species swap, transformerfied, transformers, transformers prime - Derpibooru

#2869506 - safe, artist:lrusu, cloudy quartz, igneous rock pie, earth pony, pony, g4, blush sticker, blushing, female, floating heart, glasses, heart, male, mare, pickaxe, ship:quartzrock, shipping, simple background, stallion, straight, white background, younger

2315513 - safe, artist:elioo, derpibooru import, sunset shimmer, human, equestria girls, autobot, clothes, crossover, crossover shipping, cup, cute, cybertronian, drink, equestria bots, hand in pocket, headband, hot rod, humanized, jacket, leaning on

Robotboy The Old Switcharobot (Protoboy) Reversed

2523556 - safe, edit, editor:lovetime17, rarity, crossover, protoboy, robotboy, vs - Derpibooru

Protoboy, Robotboy Wiki

Robotboy VS. Protoboy