Necromancy – The ability to control the dead.
Dr. Byron Orpheus (Venture Bros.) has this power.
Bloodwynd (DC) is an African American necromancer.
In the Marvel universe, the Grandmaster, Immortus, Kang the Conqueror and the Grim Reaper have all created various incarnations of the Legion of the Unliving. In the case of Kang and Immortus creating the Legion of the Unliving is treated inappropriately as a time travel (other) superpower problem! Kang and Immortus are totally science based super villains whose big specialty is time travel not controlling dead people. The Grandmaster usurps the role of Death so this provides a good mechanism to explain how he controls the dead but again the horror potential of an undead legion of super heroes is totally neglected. The Grim Reaper is an undead villain who makes a pact with demonic Old Ones and his two legions and story arcs are far superior to the earlier legions which are more camp than scary.
Ox-Head and Horse-Face (DC) are guardians of the traditional Chinese underworld and appear in New Super-Man #10.
In their fourth season, True Blood explored the very interesting idea that since vampires are the undead, necromancers are their very natural ultimate enemies since necromancers can control vampires!
Corpse Whisperer – Creature Collection II. Dark Menagerie
Dead Girl (Marvel) is a superheroine with this power.
Master Darque (Valiant) is a powerful and prominent necromancer in the Valiant Universe (Valiant Universe Handbook FCBD, 2014).
Quan Chi – Mortal Kombat 9 (2011) Prima Guide
Trading Card Games have many cards dealing with necromancy.
Necros Lord of Xzulne
Judge Dredd – “The Big Hit” – 2000 AD #1030
Next 319) Net Creation