Batman: Under the Red Hood2010

Nightwing:
He's got some moves, huh? And as much I hate to belabor a point...

Alfred Pennyworth:
And still that is often exactly what you do.

Nightwing:
I'm chatty. It's part of my charm. I'm saying that our boy here has some skills. He's been trained and trained well. Like right there. That. He sliced that cable off his ankle before it went taunt.You don't just do that. That has to be practiced. Learned.