Dr. Chan Liuchow was created by Stan Lee and Jack Kirby, first appearing in Strange Tales #89, the discoverer and original opponent of Fin Fang Foom, who in the group's eponymous two-issue prestige format mini-series, became possessed by a demon, Aan Taanu.

The story of the limited series deals with the suicide of Charles Blackwater, whose soul is morphed into Omen, and the visions of Dr. Katherine Reynolds, now a patient in a mental institution, who keeps saying "Fin Fang Foom".

Reynolds, who had previously worked with Daimon Hellstrom, was abducted by a group known only as The Agency and given drugs that enhanced her latent psionic powers.

[1] Jennifer Kale, now in college and living with an overweight boyfriend, Bernard Drabble, has not used her magic in years (she was last seen midwifing the "birth" of Quagmire through Man-Thing in Marvel Comics Presents vol.

Blackwater was forced to commit suicide by a former client, The Beyond Reason Spiritual Fellowship, which was resurrecting their hedonistic god, Aan Tanu, through the body of Fin Fang Foom.