Joe Valez
Alias: Tank
Eyes: Brown
Hair: Black
Race: Human - Harbinger
Group affiliation: Secret Weapons
Story: During a job as a body guard in 1984, Joe got trapped in a burning house. He escaped almost without any injuries, as it turned out he was a harbinger gifted with the ability to adapt to an applied force, in effect making him invulnerable. Joe was selected for the Project: Secret Weapons by Neville Alcott [1].
Skills & abilities: Joe is a harbinger with the ability to adapt to applied force making him invulnerable to heat, cold, knives and, if he has enough time, bullets.
Continuity: Valiant VH-1
Company: Valiant
First app.: Secret Weapons (vol. 1) #11 (1994)
Creator(s): Maurice Fontenot
Peter Grau
Country of origin: USA 
References: 1: Secret Weapons #11