| Lustboy | |
|---|---|
_(2)_(cropped).jpg) Lustboy in 2014 | |
| Current team | |
| Team | 100 Thieves |
| Role | Coach |
| Games | League of Legends |
| League | LCS |
| Personal information | |
| Name | 함장식 (Ham Jang-sik) |
| Nationality | South Korean |
| Career information | |
| Playing career | 2011–2015 |
| Role | Support |
| Coaching career | 2016–present |
| Team history | |
| As player: | |
| 2011–2012 | MiG Blaze |
| 2012–2013 | Azubu Blaze |
| 2013–2014 | CJ Entus Blaze |
| 2014–2015 | Team SoloMid |
| As coach: | |
| 2016 | Longzhu Gaming |
| 2018–2020 | Team SoloMid |
| 2021–present | 100 Thieves |
| Career highlights and awards | |
| |
Ham Jang-sik (Korean: 함장식), better known as Lustboy, is a South Korean League of Legends coach and retired professional player. After retiring from professional competition, Lustboy became a coach for Longzhu Gaming of the League of Legends Champions Korea (LCK), before leaving to coach for LCS team Team SoloMid. He is currently a coach for 100 Thieves of the LCS.
Lustboy first played for Korean team MiG Blaze through their transition though CJ Entus Blaze and CJ Entus from 2011 to 2014, then played for Team SoloMid from 2014 to 2015. He retired from professional play following an injury. During his tenure on Team SoloMid as a support player, Lustboy won the 2014 Summer and 2015 Spring NA LCS.