Programmer and artist who has a Peeing fetish.
He is famous as the developer of this raster graphics editor: TEGAKI Draw And Tweet.
Japanese name: たつや ("tatuya": the spelling used by the artist / "Tatsuya": danbooru's official romanization)
The other names & IDs: 燵弥 (tatuya or tatsuya), "tatuya_sss" or "Izanagi Kaname"
Circle name: まぼろし (maboroshi)
Site name: "CAPITAL of PhANTOM" (幻影の都 or 幻影ノ都)