Tsubone

Tsubone is a female butler of the Zoldyck Family. She and her granddaughter Amane were officially informed when Silva Zoldyck ordered them to accompany Killua and Alluka. Tsubone is an experienced butler of the Zoldyck Family. She is extremely loyal to Silva, and will not hesitate to execute his orders. Among all servants, Tsubone is the only one that dares to call Killua "Killua-chan" and Alluka "Alluka-chama"