Fungot

Fungot is an IRC bot written in Funge-98 by User:fizzie.

Fungot is more or less the mascot of Freenode's #esoteric channel. While not the only bot on the channel by far, it is the most advanced and only regularly present one which has been written in an esolang.

Fungot supports brainfuck and Underload interpretation, with the possibility to define commands using these. (Although fizzie needs to save fungot's state for such additions to become permanent.)

Fungot also responds to mentions of its name (lowercase) with Markov chain-generated answers in several selectable styles.

External resources

 * Fungot source code
 * Fungot manual