Happy Tree Friends (HTF) is an adult animated flash series created and developed by Aubrey Ankrum, Rhode Montijo, Kenn Navarro and Warren Graff for Mondo Media. The show is cited as an example of achieving a cult following.The action and adventure comedy is composed of simple drawings and juxtaposes cute forest animals with extreme graphic violence. Each episode revolves around the characters enduring accidental or deliberately inflicted events of bloodshed, pain, dismemberment, evisceration, and/or death. At one point, there was a warning given to the site Cartoon Violence: Not recommended for small children, or big babies.
Bio from Wikipedia - See more on en.wikipedia.org Text under CC-BY-SA license