Berusuke — http://www.pixiv.net/member.php?id=3663553

Also known as Bellsuke, Berutasu, and Bell no Su

The Myouren Temple Family Touhou Project Doujin released Sep 3 '16 Comedy

Snack Junko Touhou Project Doujin released Jul 4 '17 Comedy

Midnight in the Kaian Passageway Touhou Project Doujin released Sep 24 '18 Comedy Doremy x Sagume