Screen Rant

Supernatural is full of supporting characters that have ebbed away. 1 / 7

But Garth has the most wasted potential. 2 / 7

Garth is the hunting opposite to Sam and Dean, but has an infectious personality. 3 / 7

He's also a werewolf that has learned to not eat humans. 4 / 7

This makes him a unique proposition in the Supernatural world. 5 / 7

The balance of Garth's human and werewolf sides could've been a major plot point. 6 / 7

And could've been used in Jack's similar struggle between monster and human. 7 / 7