An unnamed menace that knocked over the trash can every time Barnaby tried to sleep. A Tail of Chaos

Barnaby named him Sparky. Sparky wasn't a normal dog; he was a ghost who had a strange obsession with digging up "unusual" remains in the backyard. The Supernatural Pack

They didn't win the trophy, but they did win the heart of the local vet, who was impressed that Barnaby had successfully taught a ghost to "roll over" (which mostly involved Sparky spinning like a hovering blue disco ball). 🐾 The Happy Ending

Barnaby’s life quickly spiraled into chaos as Sparky’s digging habit attracted a local crew of misfits:

Barnaby Finnegan was a loner in the foggy town of Twinbrook, more comfortable with a wrench than a conversation. That changed the night a stray dog with glowing eyes—a glitchy, translucent blue—wandered into his laundry room.