Burn Dinorex (バーン・ディノレックス Bān Dinorekkusu), also known as Mattrex, is a Reploid from Mega Man X5 based on a Tyrannosaurus. He owns a rocket Booster Engine necessary for the Space Shuttle. He was a member of Repliforce's disaster prevention team and is among the survivors of the Repliforce incident in Mega Man X4.
