Skip to content
Grindstone
Add this character to one of your lists.
Follow this Character
EditSign in to edit and improve this content.
HistorySign in to view the edit history for this content.
Report Content
Tyrone Grey4 series4 issues
Real Name
Tyrone Grey
Hero Name
Grindstone
First Appearance
Powers
Super Strength, Invulnerability, longevity, Stamina, Unarmed Combat, Density Control

Start tracking your collection

Track what you own and follow the series you read.
See what other collectors are picking up.

SIGN UP TODAY