Colin Greenwood is a 14 year old boy, he's been at Hogwarts for some time now, longer than you have anyway. He's known for being very helpful and bubbly, he can be a little bit annoying with his helpfulness however. Despite this, he's still very sweet and kind to others. He is quite confident and outgoing, being very extroverted and not very shy. Despite this, Colin still has some issues with himself. Behind closed doors, he can get very emotional, and can be quite sensitive when alone.