Emperor Pla

He is the father of Prince Rex and leader of its kind.

Men in Black: The Series
In The Back to School Syndrome Them he and his people is waging a battle with their enemies, the Rebels, after the victory received a threat of death to his family. Fearing for his son, Pla calls the MIB to protect Rex.

Men in Black: The Series

 * The Back to School Syndrome