Michitaka

Michitaka is one of the players trapped in a the MMORPG Elder Tale. His character is a Human Monk-Blacksmith and he is the leader of the biggest production guild in Akihabara named Marine Organization, consisting of 2,500 members.

In the real world, he is a section chief salaryman named Michitaka Oikawa.

(Source: Log Horizon Wiki)