---
title: "Taesan (태산) of BOYNEXTDOOR"
url: https://coolkpop.com/idols/boynextdoor-taesan
as_of: 2026-10-30
---

# Taesan (태산) of BOYNEXTDOOR

Rock-and-indie-inspired songwriter who trained six years under HYBE labels and co-composes BOYNEXTDOOR’s title tracks.

| Field | Value |
| --- | --- |
| Group | [BOYNEXTDOOR](https://coolkpop.com/artists/boynextdoor) |
| Agency | KOZ Entertainment |
| Birth name | — |
| Born | 2004-08-10 |
| Nationality | South Korean |
| Positions | Vocalist, Rapper, Songwriter |
| Height | — |
| Activity status | active |