Marito

The nature of Marito is to be a loyal friend.
If you know Marito you can be sure you will pass a great time
It's a person you can trust, laugh and say stupid things, plus he is a great teacher.
He likes to give hugs and to be informed of scientific issues.
His weaknesses are Raticates and awesome cars.

Cousin/brother of the Grinch so beware...
Basically Marito is a good choice of a friend.