|This article is about a/an villain in Kamen Rider Black.|
Hideomi Kuromatsu (黒松 英臣, Kuromatsu Hideomi) is a scientist, Nobel Peace Prize winner and Tohto University professor. He was Gorgom's chief scientist in converting humans (willing or not) into various mutants. Kuromatsu also has interchangeable hands for him to experiment on said humans. Kuromatsu uses his Tohto University job as a sanctuary for Gorgom's mutants and as a laboratory for conducting conversions for humans and for Mutant-related experiments.
- Hdeomi Kuromatsu's actor, Susumu Kurobe (黒部 進, Kurobe Susumu) is a Japanese actor best known for his role as Shin Hayata in Ultraman.