This name probably represented his self-conceitedness as the successor of Kanami and Zeami (when the first letters of the names are aligned together, they become 'Kanzeon Bosatsu' (the Buddhist Goddess of Mercy)).
この名は観阿弥・世阿弥の後継者としての自負を示すものであろう（一字目を並べると「観世音菩薩」となる）。