||Onyx/James "Jim" Marcum
Obsidian Keep, Darkearth
(father), Katrina Marcum (mother)
of the Kingdom of Twilight in Darkearth; linebacker for the New York Titans (as
Keep, New York City, NY
||9'6" (6'5" as
lbs. (215 lbs. as Jim Marcum)
Blackrock, Jim has black, rocky skin, his sclera are solid blue, and he has no
pupils or irises. He has handsome features and a muscular build.
son of Obsydian, the rock giant despot who ruled the Kingdom of Twilight in
the other-dimensional realm of Darkearth, and the human geologist Katrina
Marcum, Onyx learned he could switch between his human and rock form as a young
an adult, Onyx stole the Ring of Midnight from his tyrannical father and fled
to his mother's world of Earth. He arrived in Central Park, where he was mistaken
as a monster by the population and was engaged in combat by Captain
Defender and Pixie.
After a brief battle, they decided to band together as the Keepers, and
Onyx adopted the human guises of Jim Marcum and Blackrock.
is easygoing and an all-around nice guy. His friendly demeanor and gregarious
attitude belies his royal lineage.
has increased height, mass and strength and is able to lift 30 tons. He can see
into the ultraviolet portion of the electromagnetic spectrum. His rock skin is
three times as resistant as concrete.
protect him from flash attacks by reflecting them back at the source.
the magical Ring of Midnight, which allows him to fly eight times a day,
project fields of darkness that blocks normal sight three times a day, and fire
four beams of armor-piercing darkness. The ring does not work in darkness fields
or at night, and recharges its lost charges every morning at dawn.
fields, he reverts to his human form of Jim Marcum, whose sole power is his ultraviolet
is a skilled in weakness detection (by determining the weak point of an object,
he can inflict extra damage by striking there).
designed by Todd S. Tuttle
Copyright © 1983–2019 Todd S. Tuttle