Danny Phantom
Mute!Danny!
Kinda'.
As Silent as the Dead @ AO3 by lal nila syrin (lalnilasyrin)
Summary: Danny Fenton was the local mute kid... who just happened to have ghost powers. He uses them to protect, but sometimes he finds he's as scared of himself as he is of his enemies. And when a certain ghostly psychologist comes around, he realizes exactly why he fights in spite of it all.
Rating: G