Influenced by Akira Maeda's victory over Gerard Gordeau at the third Newborn UWF event, he briefly learned sambo from Konosuke Hagiwara.

He joined the university's "TV Program Research Society", and became involved as a studio audience member and extra.

Therefore, his official debut is often considered to be at the February 16, 1995 Pro Wrestling Crusaders (PWC) Stray Dog Legend event in Shibuya, against Troubleshooter Kochi.

[11] In March 2017, Wrestle-1 underwent a change in management, which led to Takagi assuming the new role of an advisor,[12] from which he resigned the following September.

[14] On July 15, 2019, at Wrestle Peter Pan 2019, Takagi won the inaugural O-40 Championship by defeating Super Sasadango Machine.

[16] On September 18, 2023, Takagi faced Minoru Suzuki in an "Anywhere Fall Match" held aboard a bullet train traveling between Tokyo and Nagoya.

[19] On July 21, 2024, at Wrestle Peter Pan 2024, Takagi faced Danshoku Dino in the Ironman Heavymetalweight Championship Weapon Rumble Match.