He is not a totem. His daughter is the totem. He is just the agent of the red.
I think it's also implied the true totem of the rot isn't Abbey or her brother, but Anton Arcane, the recurring nemesis of the Swamp Thing.
Edit: The Red was introduced by Moore back in Swamp Thing, Buddy as the Swamp Thing equivalent in the Red was introduced by one of the Vertigo writers that followed Morrison.