Takashi Nikaido (Japanese: 二階堂高嗣, Hepburn: Takashi Nikaidō, born August 6, 1990) is a Japanese actor and singer who is a member of boy band Kis-My-Ft2 and its derivative group Busaiku (舞祭組) under Starto Entertainment, formerly known as Johnny & Associates. His nickname is Nika and Nika-chan.^[2]

Nikaido's older sister was a fan of the Kinki Kids and sent Nikaido's resume to the Johnny & Associates when he was 10 years old. He said his sister told him that he was going to a Kinki Kids concert today and took him to the audition site.^[3]

After auditioning, he joined Johnny & Associates in February 2001. At the same audition venue were Toshiya Miyata and Wataru Yokoo, who later became members of Kis-My-Ft2.^[4]

After joining several groups as a trainee (Johnny's Jr.),^[5] he was selected as a member of Kis-My-Ft2 in 2005 and made his CD debut with "Everybody Go" on August 10, 2011, seven years after their formation.^[6]

In September 2001, he made his first drama appearance in Fuji TV's "NO KISS".^[7]

In 2011, he made his first film appearance in the movie "Ogawa no be"小川の辺.^[7]

On December 13, 2013, Busaiku was formed from Kis-My-Ft2 with Kento Senga, Toshiya Miyata and Wataru Yokoo produced by Masahiro Nakai who was a member of SMAP.^[8]

He is physically strong and a good acrobat, often performing somersaults and backflips at live shows.^[9] He is also a good rapper and often raps in Kis-My-Ft2's songs.^[9]

In Kis-My-Ft2, he is in charge of live direction.^[9]

He loves solo camping and opened his personal official YouTube channel on the theme of camping in December 2023.^[10]

For activities as a member of Kis-My-Ft2, see Kis-My-Ft2#Group activities.