Koya Rosado Elliot (エリオット・ロシャード・昂矢 Elliott Rosado Koya; born September 21, 1987), better known by his stage name Elly (stylized as ELLY), is a Japanese dancer, rapper, choreographer and actor. He is a performer(dancer) of J-Pop dance and vocal group Sandaime J Soul Brothers and a former member of Gekidan Exile.
For his solo career as a rapper he uses the stage name CrazyBoy. He debuted as a soloist in collaboration with Exile Shokichi in the song "THE ANTHEM" on June 4, 2014, and released his first solo album NEOTOKYO FOREVER on July 4, 2018. As a member of Sandaime J Soul Brothers, he has received the Japan Record Awards twice and he has choreographed some of the most famous dances for his group, including the famous "Runningman" dance of R.Y.U.S.E.I.. He is also an enthusiastic Fortnite player, hoping to promote e-sports in Japan.
Elly was born on September 21, 1987, to a Japanese mother and an Afro-American father. Elly's father is former OPBF's Super Welterweight Champion Carlos Elliott and his younger brother, Likiya, is also a dancer and leader of the J-pop dance and vocal group group The Rampage from Exile Tribe.