There was a time in animation when the film openings and credits were carefully hand drawn. There was much more about animation than just arcs, overlapping, squash'n'stretch and follow through.

Today, the computer days, what most animators do is simply choose a font in a huge list with little (or not at all) knowledge in typography. Sometimes he or she happens to ruin a good work with a "Comic Sans" (ouch) or "Staccato" font.

Animation happens to be much more than just moving a puppet around: you have to know about film making, photography and even typography.

I've collected some links that can be useful on that:

Typography museum;

5 simple steps to a better use of types;

Types made by designer Mark Simonson, inspired by old movie letterings;

Tipografos.net (portuguese);

Tipocracia (portuguese);