Ikki Niko (二に子こ 一い揮っき, Niko Ikki?) is a contender of Blue Lock.
When first arriving at Blue Lock, he was a member of Team Y during the First Selection and he was determined on surviving Blue Lock with the skills he already had but after losing to Yoichi Isagi in the First Selection, he decided to stop being afraid and changed to get better so he could survive Blue Lock.
He started as a center-back for the Blue Lock Eleven against the Japan U-20 and is currently a defensive midfielder for Ubers. 