Artist, niconico video creator.
βMakonyan Danceβ is his creation.
Japanese name: γγγ (tatata)
Other name: ε€η° ε€ ("Oota Yuu" or tatata)
Name as a video creator: 777P ("Seven-P") or 777 ("Seven")
Site name: γγγ½ (RORIPO or RORI-PO)
Blog name: SICHISAN21 (γ·γγ΅γ³γγΈγ₯γ¦γ€γ)