Southpaw
Her powerful gauntlet is a fit for her life: her legal guardian is She-Hulk.

Sin
Red Skull's daughter eventually takes on her father's identity.

Lex Luthor
The Silver Age featured a teenage Lex Luthor already in his full-time role as a criminal.

Draco Malfoy
Harry Potter's schoolmate foil was originally going to be named Draco Spungen.

Connor Reilly
This Buffy regular was taken to Hell as an infant before returning to Earth as an extremely troubled teen.

Proteus
The body-switching fiend was subdued by a powerful punch from Colossus.

Ebon
This Static Shock antagonist is a living shadow who heads the Meta-Breed gang.

Hotstreak
Another Meta-Breed from Static Shock, Hotstreak was in a gang even before gaining powers.

Empath
Empath was a member of Hellions, Emma Frost's rival group to the X-Men.

Warpath
Originally a Hellion because of anger over his brother's death, Warpath eventually rescinded his supervillainous ways.

Gizmo
This talented graduate of H.I.V.E. Academy specializes in using his supergenius to create inventions.

Jinx
Along with Gizmo and Mammoth, Jinx was a H.I.V.E. grad student with aspirations of joining a supervillainous gang.

See-More
After the destruction of H.I.V.E. Academy, See-More went on to join a Jinx-led gang called the H.I.V.E. Five.

I.N.S.T.I.G.A.T.O.R.
Yet another H.I.V.E. Academy alum, this evildoer is an ambiguous mix of robot and human.

Clock King
This Teen Titans supervillain leads a gang appropriately called the Terror Titans.

Billy Numerous
This Teen Titans baddie has the ability to duplicate himself.

Mammoth
Mammoth attended H.I.V.E. Academy, an exclusive school for training evildoers and a thorn in the side of the Teen Titans.