The naming of animal species is required to comply with guidelines established by the International Commission on Zoological Nomenclature (ICZN).[7] The ICZN's guidelines allow for species to receive names that honour people, including celebrities.[8] Other species named after famous people include Hyla stingi, a frog named after the singer Sting; Pachygnatha zappa, a spider named after singer-songwriter Frank Zappa; and three beetle species from the Agathidium genus (A. bushi, A. cheneyi and A. rumsfeldi) named after American politicians George W. Bush, Dick Cheney and Donald Rumsfeld respectively.[7]