|“||I'll stop anyone who tries to interfere with our independence!||„|
Colonel is a major antagonist from Mega Man X4 and the brother of Iris, he considered Zero as a friend until the General declared war on humans, after that they fought two times.
Colonel is a robot built to serve as the main attack leader of Repliforce, a military group of Maverick Hunters.
Originally he and his sister were planned to be one robot, but they were separated because his power was too high to sustain.
After sky lagoon was destroyed by Mavericks, he went to save his sister but he was confronted by X and Zero which they told him that the humans thinks that the member of his unit are all Mavericks and he must come to the H.Q, he refused because Repliforce prefers war over dishonor and shame.
After that he fought against X and Zero at the Memorial Hall, declaring that he will stop anyone who tried to interfere with Repliforce independence.
He died fighting Zero in the Space Port, telling him that Iris needs to known that her brother died happily.