CAN
Carry a big sword
Wear the white tunic.
Speak like adult Link.
Be 14 feet tall.
Shoot laser disks.
Be killed.
Be beaten.
Be cool.
Be eaten.
CAN'T
Walk in a straight line.
Jump.
Fit in doors.
Let go of his sword.
Move his face.
Get the ClockTown guards to like him.
Smile.
Frown.
Walk backwards.
Convince Nintendo to change his name to Oni-Link because he doesn't want to act like an idiot and think he's a god.
Read this.