A lion or a gerbil The lion, because by virtue of being a lion, a lion is an expert on lions.
How much do you whey bro
Nobody asks, 'who's there ' when you try and tell a knock knock joke.
Cause they be lion.
Wife asks her husband: Honey, If a lion attacks my mother and I, Who would you save first? Husband: Well, the lion!
They are always negative.
Chin up pal.
A signtist!