Dong Hoon Lee is a South Korean voice actor who began his career in 2010 when he joined the 2nd Daewon Broadcasting Voice Actor Association. He subsequently became a freelancer in 2012, a status he has maintained to the present day. His activity period as a voice actor spans from 2010 onward.

One of his most recognizable roles is Son Gohan in the series Dragon Ball Z Kai and Dragon Ball Super. He also voices Gray Fullbuster in the series Fairy Tail. In the Dragon Ball franchise, his range extends to antagonist roles, such as voicing Zarbon and Android No. 16 in Dragon Ball Z Kai. His work in the franchise also includes the role of the villain Dodoria.

Beyond these roles, his voice acting credits include significant parts in several other major anime series. In One Piece, he has voiced the characters Shanks and Portgas D. Ace. He also played Akira Takayanagi in Your Lie in April, Dr. Genus in One-Punch Man, and various roles in Yu-Gi-Oh! 5D's and Yu-Gi-Oh! ARC-V. His work in the special effects genre includes voicing characters in Korean dubs of Super Sentai and Kamen Rider series, such as Joe Gibken in Power Rangers Captain Force.

Based on his vocal qualities, which include a loud voice and sharp tone, Lee Dong Hoon is often cast in roles that are young, cold-hearted, or androgynous, though he has also portrayed hot-blooded characters. A notable achievement in his career is becoming the only voice actor to have performed hero roles in the Kamen Rider series, Super Sentai series, Metal Hero series, and Ultra Series.