Because they don't have the necessary koalafications. (Derived from: )
Gummi bears.)
Bear
Because God could not find three wise men and a virgin.
Leave a yoghurt out in the sun for 300 years and it'll develop a culture
Because you should never drink and derive.
He knew better than to drink and derive.
Toad. Thanks, HammerElectionBeans for the edit.
To help with the cavity searches