Artist, CG designer.

Nickname: クロノトカゲ ("Krono Tokage" or "Kurono Tokage")
Old names: くろのさうるす (Kronosaurs or Kronosaurus) or トケイワニ (Tokei-Wani)
Circle & site name: くろっくすた～ (CLOCK☆STAR)
Old site names: クロ★ログ, "ZERO SHAPE", "Run Riot Rainbow" or "Zero Sence" 

krono tokage