You will find him online constantly, because he likes to talk. A lot.
A Marijn makes for a very good friend, since he is very reliable and will always be there for you in times of need.
Marijns have been known to make jokes about their friends, but when others joke about Marijn's friends he is known to become quite protective.
If you find one, be nice to him and feed him lots of energy-drinks - you will have a faithful friend for life.
Who is that Chippendale?
-Oh, that's Marijn!