I would like to go on the record here, and say that i don't get the nearly universal hate for Comic Sans. Comic Sans is perfectly fine if used correctly. It's what people DO with comic sans that gives me the horrors.
Courier, on the other hand, is simply the ugliest typeface on the planet in its own right. For me, it has no redeeming features whatsoever.
So far, the font I am most interested in finding out more about is Barry Deck's canicopulous - a font done in homage to Gill Sans, and named for Eric Gill's reputed experiments with .... well, canis is for "dog", and copulous is for..... yeah.
The letter forms are described as having horny extensions that look like wagging tails that reach out to touch each other.