 After retiring from diving, Louganis began to compete in dog agility competitions; he has said that being around the dogs gave him "a sense of security, company and unconditional love".His dogs have included Dr. Schivago; Captain Woof Blitzer; Nipper and son, Dobby, both champion Jack Russell terriers; Gryff (Gryffindor), a border collie; and Hedwig, a Hungarian Puli.Nipper was named for the RCA dog, while Gryff, Dobby and Hedwig were named for Harry Potter characters, as Louganis is a self-described "huge Harry Potter fan."