Yu Takeyama (岳たけ山やま優ゆう Takeyama Yū?),[5] also known as the Peak Hero: Mt. Lady (山さん岳がくヒーロー Mt.マウントレディ Sangaku Hīrō Maunto Redi?), is the current No. 3,[6] former No. 23 Pro Hero, and a member of The Lurkers.