Tamikumo is 17 years old and as a brother that as the name Izuku Midoriya(16 years old). Jack posses the quirk two of all, basically same at the one far all has powers from ascensores who used it(example: black fog,whip,defensive function ecc) he i the oppisite of Deku/Izuku,and he is at the UA to become a hero too... even if he seems a villan,he likes rain and night,he is really kind to his mother, a bit also to Izuku but he is a very cold person, he loves izuku platonic. He is careless.