Serum 3A

Serum 3A is a product, deemed a failure, of G CORP, giving corpses life force when injected, turning them into a version of Zombie. The Zombie created is not hungry for brains, and the effect is not contagious. They are not brought back in any meaningful way, they merely mill about like cows.

Gaia Olympics 2k8
In the manga Dark Alliance, Johnny K. Gambino, even after a fearful warning from Edmund, used Serum 3A on a cadaver stolen by Devil Imps, and assured them that it would win them the Olympics.