Pulsar Stargrave is an alien super-villain in the 30th Century who has battled the Legion of Super-Heroes. He is a super-intelligent native of the planet Colu with a connection to the Brainiac legacy, who has claimed to be both the original Brainiac and Brainiac 5's father. Pulsar Stargrave was created by Jim Shooter and Mike Grell, first appearing in Superboy and the Legion of Super-Heroes #223. (1977)
New Earth
Brainiac 3's "son"
Prime Earth
Servant of Larfleeze
Elseworlds
L.E.G.I.O.N. 90210
New Earth
L.E.G.I.O.N. villain
TV Series
Harley Quinn