Jack Power (Marvel Comics) Jack Power (Marvel Comics) Jack Power, currently known as Mass Master, formerly Counterweight and Destroyer, is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in "Power Pack" No. 1 and was created by Louise Simonson and June Brigman. Jack was a founding member of the superhero team Power Pack. The second youngest of the four Power siblings, he was 8 1/2 years old when he was given his powers by Aelfyre Whitemane, a dying Kymellian noble. He continued to operate with Power Pack through their entire history. Jack Power was born in Richmond,
Northstar (Marvel Comics) Northstar (Marvel Comics) Northstar () (Jean-Paul Beaubier) is a fictional superhero appearing in American comic books published by Marvel Comics. Created by Chris Claremont and John Byrne, the character first appeared in "X-Men" #120 (April 1979) as a member of the fictional Canadian superhero team, Alpha Flight. Northstar is a member of a fictional subspecies of humanity known as mutants, who are born with superhuman abilities. The character possesses the ability to travel at superhuman speeds, fly, and project photonic energy blasts. His twin sister, Aurora, possesses similar abilities. Although the character was initially depicted as a member of Alpha