Did you grow up in the 1990s? If so, then there's a good chance that you loved Ren & Stimpy just as much as we do here at Ugly Christmas Sweater.com. Fans of the two insane Nick cartoon characters, will love this Ren & Stimpy ugly Christmas sweater because it champions the insanity of the original TV series while also bringing to memory the importance of friendship during the holiday season when spending time with loved ones is what counts the most.