I dunno about character rels but you can do stage rels with the Stage Switcher for PAL (don't know how I got it, maybe google helps). But this online converter should work too.
http://www.lakora.us/rel/(next time: look into the resources!)
here are the normal rels if you need them:
http://www.mediafire.com/?obemxmzbcvb6d(you could find them in the rescources, too!)
Thank you very much! I've just found them in the resources jaja
If somebody knows how to convert characters .rel to the PAL version, please, tell me about it.