Yu Takeyama (岳たけ山やま優ゆう, Takeyama Yū?), 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 Hero, a former No. 23 Pro Hero, and member of The Lurkers.