*2 men walk up to master Yu*
Man#1: Hello, what's your name?
Yu: Yu
Man#2: oh, I'm Lou Costello. This is my friend Bud Abbot. And you are...
Yu: Yes
Abbot: yes to what?
Yu: I'm Yu.
Abbot: but I'm me. You can't be me, you have to be you.
Yu: Yes.
Costello: To what?
Yu: That I'm Yu
Abbot: who are you?
Yu: Yu
Abbot: I mean What's your name?
Yu: Yu
Costello: I'm Costello. He's Abbot. You are...
Yu: Yu
Abbot: me?
Yu: no, Yu
Costello: let's just call him "You"
Yu: that's what I was trying to tell you. I'm Yu.
Abbot: F*CK IT!!!
Yu: what's his problem?