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.
Tusk (mascot)
Tusk is one of several live mascots in the SEC, including UGA, the Georgia Bulldogs mascot, Reveille, the Texas A&M Aggies border collie mascot, Smokey, the bluetick coonhound of the Tennessee Volunteers, Bully, the Mississippi State English Bulldog mascot, Mike the Tiger of LSU, War Eagle of Auburn, and Sir Big Spur, the official live gamecock of the South Carolina Gamecocks. There are only a few other live lineage mascots in the United States.