Sergeant Rex Power Colt by UnitySpectre on DeviantArt

REX. POWER. COLT. by AcidX on Newgrounds

Rex Power Colt by Kubi-Wan on DeviantArt

Rex Power Colt by p1xer on DeviantArt

Rex Power Colt by Disturbulator on DeviantArt

Captain Rex. by Sonny007 on DeviantArt

UnitySpectre - Professional, General Artist

Justin Rain as Tom Corsi by ramonfinch on DeviantArt

UnitySpectre - Professional, General Artist

Sgtlegendkiller Comm by PALE0PUNK on DeviantArt

Stone Cold Steve Austin:Strong Guy/Guido Carosella by ramonfinch on DeviantArt

Colt'' - Rancor Battalion by JackAubreySW on DeviantArt

Rex Power Colt and Captain Laserhawk artwork, hidden in a QR Code in K-9000 collar : r/farcry