Stardust

i know most of you dont know this guy but he appear in a pic i did long time ago can you guess which one ?? anyways here his info

Name: Stardust
Age: 20
Like: enjoy moments with his family specially his mother , make stuff wiht clay and rock music
Dislike: pony that are mean to his sister of mom 
Information: Stardust is the youngest of Nightmare Moon son he is very serious most of all the time but in presence of his mother he is kinda shy and act like a small kid