Xombi. Xombi (David Kim) is a superhero published by DC Comics. He first appeared in Xombi #0 (January 1994) and was created by John Rozum and Denys Cowan.

Fictional character biography
David Kim is a Korean-American scientist from West Orange, New Jersey who develops regenerative nanotechnology. Before Kim can test his invention, the villain Dr. Sugarman attempts to steal the nanites, mortally wounding him. Kim's assistant Kelly injects him with the nanites to save his life, but is killed and partially devoured by them. Following this, Kim becomes involved in the affairs of various races of ancient supernatural beings known collectively as the Shadow Worlds.

In Final Crisis, Orion kills his father Darkseid, destabilizing the multiverse. Dharma transfers the Milestone characters to the DC universe, altering history so that they always existed there. Furthermore, an alternate timeline variant of Kim who became a Green Lantern is introduced.

A second Xombi series debuted in DC Comics in May 2011, and ran for six issues, which were collected in a trade paperback. It was written by John Rozum, with art by Frazer Irving.

Powers and abilities
Xombi is nigh-immortal due to the nanomachines in his body, which prevent aging and heal injuries. He has also demonstrated the ability to control the nanomachines to transmute matter.

Supporting characters
Becan - An oracle who David Kim/Xombi and Rabbi Sinnowitz meet in a bar.
Bludgeon - of the Beli Mah (School of Anguish).
Catholic Girl - A teenage Catholic school girl who can fly, can project a force field around herself, and fire bolts of energy. The origin of her powers is unknown, but she views them as a heavenly gift.
Cheryl Saltz - An employee of Alva Technologies who tests Xombi's immortality.
Chet - A friend of David Kim.
Cole - A salesman who arranges for Manual Dexterity to murder Lenore Duncan.
Crowne - The leader of the Beli Mah (School of Anguish).
Dalila Rose - David Kim's fiancée.   
Dumaka - A Xombi who gained his abilities from African folk magic. After David convinces him of the downsides of immortality, Dumaka gives up his abilities and dies.
ENIAC - An evil computer who holds Xombi and Cheryl Saltz hostage.
Homunculi - A group of ghostly insects who serve Dr. Sugarman.
Julian Parker - A demonic ally of David Kim/Xombi and Rabbi Sinnowitz.
Kameko - An ancient xombi introduced in issue #17.
Kelly Sanborne - David Kim's lab assistant.
Lord of Fumes - A villain who escapes from the Garden of Spires at the end of issue #2/beginning of issue #3.
Manuel Dexterity - The brother of Manuella Dexterity, who Cole sends to murder Lenore Duncan.
Manuella Dexterity - The sister of Manuel Dexterity, who attempts to kill Xombi following his death.
Nun of the Above - A clairvoyant nun and associate of Catholic Girl.
Nun the Less - A sister in the same religious order as Nun of the Above who developed the supernatural ability to shrink to small size after eating a bad shrimp.
Rabbi Sinnowitz - An ally of David Kim/Xombi. He is an occult practitioner with penchant for Golem manufacture and control. Sinnowitz became involved in the shadow worlds when he and his wife battled the Kinderessen and their unborn child was killed.
Rats of Undertown/the Rat Congress - guest-starring from Blood Syndicate associates of the Boogieman (a member of the Blood Syndicate). A riot starts as the rats organize to fight the Kinderessen, the fight took place in the middle of the Utopia Park Riot. 
Sheer Shears - Malevolent abstracts shaped like hooded figures with beak-like sheers in place of heads. They are immune to anything that is derived from written knowledge, but can be destroyed from creative application of oral tradition and folklore.

References

External links
 International Heroes: Xombi
 International Heroes: Nun of the Above
 International Heroes: Catholic Girl
 International Heroes: Doctor Sugarman
 Xombi's first footsteps in the DC Universe
 Reviews of the entire run of the first series at Comics Fondle

Comics characters introduced in 1994
Cyborg superheroes
DC Comics American superheroes
DC Comics characters with accelerated healing
DC Comics immortals
DC Comics male superheroes
DC Comics titles
Fictional characters from New Jersey
Fictional characters with elemental transmutation abilities
Korean superheroes
Milestone Comics titles