Genryū Hakushō Kazoku Izayoiroshita Kokuhakukami Tengoku Kaichō Hōshō Tenshisōtō Rakujitsu Gekijō
This elaborate name, which roughly translates to "Mysterious Dragon White Feather Familial Night Revelations Sacred Heavenly Assembly Proclamation Angelic Swordsmanship Falling Sun Theater", is a quintessential example of the sort of long, fanciful Japanese names that emerged in this timeline's version of Japanese culture.
The individual elements of the name draw from a range of traditional Japanese concepts - mythical creatures, celestial phenomena, religious/spiritual imagery, and poetic descriptors. Strung together, they create a comically absurd and impractical appellation that would be highly impractical for everyday use.
Such elaborate names were sometimes bestowed on fictional or legendary characters, or as inside jokes among the educated elite. They showcase the linguistic creativity and love of wordplay that characterized this timeline's Japan, even as the names themselves remained unwieldy and largely ceremonial rather than practical.