Psy's Domain!
Onyxx's Room
Click Here For Onyxx's Photo Album
| Name: | Onyxx |
| Real Name: | Sidney Green |
| Previous Names: | None |
| Current Team Affiliation: | None |
| Previous Team Affiliation: | Young X-Men, Chevaliers |
| First Appearance: | X-Men (Vol. 2) #171 |
| Death Occurrence: | X-Force (Vol. 3) #23 |
| Brief Description of Powers and Abilities: | Rock Body, Durability, Strength |
| Source of Powers: | Human Mutant |
| Note: | Onyxx was jealous of Gambit over Foxx. |
| Currently: | Onyxx was killed by Wither. |
| Cross References: | None |
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