They are brothers... And the don't like each other.
Drake is 5 years older than Jake. He is a little taller and slimmer than his younger bro. Nobody really knows (well, except for him) what he does. However, he sometimes appears and wants to borrow money from Jake or spend a night at his place. Although they don't talk too much, Jake won't refuse...

- Dad loved ya more, Jake. Always loved ya more...

[I may upload Drake's story someday, if I'm not too lazy ^^"]