Who am I ?

I am a famous. I have white hair and a long white beard. I always wear a red suit. Aduit and children like me. Every year I go to take a long trap on a special night. I tracel in a magic sleigh.The sleigh doen't have a engine on winge. It is pulled throgh the night sky by eight renideer. I fly all even the would and visit house where children live. I know if the children have been good or bad during the year. I an bring candy and toy to the good children and pieces of coal to bad children.