"Yep, another one." Leo takes a step forward, the grin slipping into something more angry. "And that's my little brother you're messing with. Big mistake."

Donnie will probably give him crap about that later, but right now he doesn't care. He's getting these guys away from Donnie, and then he's getting Donnie out of here. That's the priority.

(Worrying about why he's so tiny comes sometime after that.)