Wong Wai Chun Winson (Born : 31 July 1998 ), a Hong Kong Beatboxer, music producer, and actor. He was born in Hong Kong and educated in Australia.

In 2024, Teller participated in the television reality talent contest produced by ViuTV “Hong Kong Got Talent (香港達人秀)". In 2025, Teller participated in the television reality talent contest produced by ViuTV  “King Maker VI (全民造星6)”.

He was one of the popular contestants with unique skills and he won the contest with his exceptional performance and outstanding popularity. Shortly after Teller won the contest, Teller debuted as Viutv solo artist.

Teller has been focusing on his music career after debut, and he wish to achieve and promote Hip-Hop culture and beatbox culture to everyone who love music and for all generations to enjoy his music.