About
Marvel Comics
Intentions: bad
Real name: Nathaniel Essex
Other names: SinisterRobert WindsorArnold BocklinMike MilburyApocalypseSteven ShaffranEdmond AtkinsonNateAdministrator PearsonNosferatuNathan MilburyPale Man
First appearance: Uncanny X-Men #221 (September, 1987)
Affiliations
Marauders (founder), Nasty Boys (founder); formerly Weapon X, Third Reich