About:
Lee Seung-chul (이승철) is a South Korean singer, known as a vocalist of rock band Boohwal.  He is known in Japan as RIU.

• Known For
• 
  The Moon Is... the Sun's Dream
  as
  Moo-hoon
• 
  More Than Blue
  as
  Singer A
• 
  Hurrah for Independence
  as
  Self (1 episode)
• 
  The Legend, The New Singer
  as
  Judge (15 episodes)
• 
  Show!terview with Jessi
  as
  Self (1 episode)