Question: what are all the ultra beasts?
Answer: Nihilego (codenamed UB-01 Symbiont) Buzzwole (codenamed UB-02 Absorption) ...  Pheromosa (codenamed UB-02 Beauty) ...  Xurkitree (codenamed UB-03 Lighting) Celesteela (codenamed UB-04 Blaster) ...  Kartana (codenamed UB-04 Blade) ...  Guzzlord (codenamed UB-05 Glutton)