| Real Name: | Alexander Summers |
| Former Aliases: | Magistrate Summers, Goblyn Prince |
| X | X |
Height: | 6'0" |
| Weight: | 175 lbs. |
Hair color: | Blond |
| Eyes: | Blue |
| X | X |
First appearance: | Uncanny X-Men #54 |
| Joined the X-Men in: | off-panel, before Uncanny X-Men #65 |
| Currently in: | X-Men |
| X | X |
Known Relatives: | Phillip Summers (grandfather), Deborah Summers (grandmother), Christopher Summers / Corsair (father), Katherine Anne Summers (mother, deceased), Scott Summers / Cyclops (brother), Madelyne Pryor (sister-in-law, deceased), Jean Grey-Summers / Phoenix IV (sister-in-law, deceased), Nathan Christopher Charles Summers / Cable (nephew), Rachel Grey / Marvel Girl III (alternate niece), Nate Grey / X-Man (alternate nephew, deceased) |
| Profession: | degree in geophysics |
| Group Affiliation: | formerly X-Men, Genoshan Magistrates, X-Factor, Brotherhood of Mutants I, The Six |
| Powers: | absorb cosmic energies from his environment (such as starlight, x-rays, and gamma radiation) and store them within his body‘s cells, metabolizing the energy in order to generate plasma wave discharges that super-heat and disintegrate objects or create concussion bursts by violently displacing air molecules in his path |