cowsay module in python
>>> cowsay.char_names
['beavis', 'cheese', 'daemon', 'cow', 'dragon', 'ghostbusters', 'kitty', 'meow', 'milk', 'pig', 'stegosaurus', 'stimpy', 'turkey', 'turtle', 'tux']
>>> cowsay.chars[0]
<function beavis at 0x0000000002D2F908>
>>> len(cowsay.chars)
15