a shadow of (one's) former self

A person whose personality has changed dramatically to become decreased in vivacity in some way, often following some traumatic event. Ever since Tim was in that accident, he's been a shadow of his former self. She's so quiet now, like a shadow of her former self. Does anyone know what happened to the bubbly girl we once knew?

Common Names:

Name	Pronounced	Usage
KerİM	-	Turkish
Nikolas	-	Greek, English
Jaden	JAY-dən	English (Modern)
Jyotsna	-	Indian, Hindi
Gloriana	glawr-ee-AN-ə	English (Rare)
Dalibor	-	Czech, Slovak, Croatian, Serbian, Slovene, Medieval Slavic