His November 2016 debut saw him face-off against Henare in New Zealand. Leo Tonga is the son of legendary professional wrestler King Haku, and the younger brother of Tama Tonga and Tanga Loa. At 203cm, 120kg and only 27 years of age, Leo easily makes his presence felt in the ring. He has training experience with various organizations, including Team 3D Academy and Fale Dojo.

After a knee injury saw him miss much of 2018, Hikuleo returned to New Japan during Honor Rising 2019. He and Bad Luck Fale instantly made an imposing super heavyweight tag team, and gave fans just a taste of his capabilities when he took on Mikey Nicholls in the first round of the New Japan Cup. He is currently on a learning excursion with UK promotion, Revolution Pro-Wrestling.