Gegetsuburi is the manifested spirit of Marechiyo Ōmaeda's Zanpakutō.
Like his former partner, he has a passion for crackers as he is seen regularly eating them. Gegetsuburi seems to have much hostility to Ōmaeda as his reason for leaving his partner is retribution for his own physical appearance being a reflection of Ōmaeda's. He also has great pride in himself, insisting that his partner add an honorific of "san"