Sasamaru

Sasamaru (ササマル) was one of the 10,000 players who were trapped in «Sword Art Online» and a member of the «Black Cats of the Full Moon», a small guild. He was killed along with most of his guild when a trap was triggered that called multiple monsters and prevented the use of crystals.

Sword Art Online
He first appeared in Episode 03 when he and his friends officially welcomed Kirito into their guild after the Black Swordsman saved their lives from a battle. He participated in battling a Killer Mantis.