足立 豪

Adachi Gou (also known under the alias GEPPEL (げぺるん) although he now uses the alias gp-ln (げぺるん)), is a Japanese composer. He ran the doujin circle Oyama no Taishou (お山の大将), and was also a member of the doujin circles Circle Un You (雲遊) and GC-Clusterz. He now runs a doujin circle known as Neuzkraft.