Mr. Grey was the father of the mutant Jean Grey. In 1975, his daughter uses his telekinesis and causes a car accident that kills his wife. Charles Xavier takes her to Xavier's School for Gifted Youngsters and he mentally blocks the accident from her memories. Seventeen years later, Jean discovered that his father was still alive and went to his old house in Red Hook, the X-Men appears trying to convince her to go back to school, but she gets furious killing Mystique and walking away. Mr. Grey is murdered by Vuk.