Obelix (Obélix in French) is a fictional character from the French comic book series Asterix. He works as a menhir sculptor and deliveryman, and is Asterix's best friend.
http://en.wikipedia.org/wiki/Obelix
Dogmatix is a fictional character, a tiny white dog who belongs to Obelix in the Asterix comics. Dogmatix is a pun on the words dog and dogmatic.
http://en.wikipedia.org/wiki/Dogmatix