Jack the Bulldog
Jack the Bulldog is the official mascot of the Georgetown University Hoyas athletic teams. Jack has been the name of at least five live Bulldogs since 1962, when the name first came into use, though Georgetown counts seven official bulldog mascots including the two living ones. The current incarnation of Jack is an English Bulldog born in 2013 whose full name is John B. Carroll.
Hooper (mascot)
Hooper (born March 24, 1996) is the mascot of the National Basketball Association's Detroit Pistons. He generally appears as a horse wearing a Pistons jersey. The symbolism is, that like the Pistons they are named after, the team produces horsepower, hence the equine mascot. Hooper became a part of the Pistons team on November 1, 1996, replacing Sir Slam A Lot, and it did not take very long for him to become the most popular mascot in Pistons' franchise history.