Sargeant Canine (SirPlays) is one of the occasional heroes in the Macy's Parade Mysteries franchise.
Sergeant is an explorer character, and likes to go out into the wild to find new objects or animals. On his spare time, he either writes down his discoveries in his book or watches nature documentaries. He is also the leader of the Macy's Parade Discord Club. His idol Balloonatics include Abigail the Adventurer, and his group mates Donkey Keno Kong and Optimistic Orange, as well as Shea, Diana, Jay, Shieldy, SpongeField, and Wolfy.
He is a golden retriever dog with dotted eyes, and wears a green t-shirt, blue shorts, and sports a dark green safari hat.