Gene first hears of his existence when under the pier overhearing two men talking about him. He leads the kids on a journey to find him but is at first apparently unsuccessful after seeing a "one-butted goat" but after Gene turns his back to the pen he comes into view of the other kids, he comes into view of the viewers after Gene turns around and sees him. The farmer is at first hostile but this is just a character he does which he calls "The mean, old farmer." After this he lets the kids pet Double Butt.
- Can fart simultaneously, a phenomenon that Gene calls "Fartmony".
- In addition to having two anuses, he also has two tails.