Kantaro Umezu
History of Umezu is unknown.
Appearances:
| Title | Year, Month |
|---|---|
| Shadowmasters #1 | 1989, October |
| Shadowmasters #2 | 1989, November |
| Shadowmasters #3 | 1989, December |
| Shadowmasters #4 | 1990, January |
History of Umezu is unknown.
Appearances:
| Title | Year, Month |
|---|---|
| Shadowmasters #1 | 1989, October |
| Shadowmasters #2 | 1989, November |
| Shadowmasters #3 | 1989, December |
| Shadowmasters #4 | 1990, January |