He possesses superhuman strength. Before Parrish fully understood his supernatural abilities, he locked himself up in order to control his hellhound tendencies.

How did Parrish become a Hellhound?

The Hellhound, who is known as Cerberus and many other names, possessed Parrish when he was blown up in an explosion while serving in Afghanistan, which happened to occur at the exact moment that Scott McCall, Stiles Stilinski, and Allison Argent drowned themselves in the surrogate sacrifice ritual in Alpha Pact.

Is Parrish a Cerberus?

Powers and Abilities

Cerberus is also the only known creature that survived multiple encounters with the Beast of Gevaudan in one-on-one fights and was able to fight back almost evenly before ultimately losing as a result of the internal struggle between him and his vessel, Jordan Parrish.