[cal]

Some more circumstantial stuff:

Gakkie was a drummer and a member of Lip on Hip. Inawo was the drummer for JUNK, which was formed by Lip on Hip members.

Inawo's alias 鷹茂イナヲ can be read as Inawo Takashige.

Inawo = Gakkie = Takashige Inagaki