Alex Summers

Alexander "Alex" Summers, better known by his code name Havok, is a fictional mutant and a costumed superhero featured in comic books published by Marvel Comics. He is part of the mainstream Marvel Universe and is generally associated with the X-Men family of titles. He first appeared in X-Men, Volume 1 #54, which was published in March, 1969. The character was created by writer Arnold Drake and artist Don Heck.

Overview
Alex Summers is a mutant gifted with the superhuman ability to generate and project massive waves of plasma energy. He is the second child of Christopher and Katherine Summers and is the younger brother of Scott Summers. He has been romantically attached to Lorna Dane, aka Polaris, as well as Scott's ex-wife, Madelyne Pryor. As Havok, Alex has served as a reserve member of the X-Men and was the leader of X-Factor during a time when the group was a government sanctioned mutant watchdog organization. For a brief period of time, Alex had adventures in an alternate reality where he was known by the code name Mutant X.