Vill i
Square root of 81
Don't worry, he will inform you after delivery of the punchline has taken place. Just a joke!
A lion or a gerbil The lion, because by virtue of being a lion, a lion is an expert on lions.
Me: If you have to ask, you might not need one.
What party '
Because everyone was calling him a bone-head. (I was 6 when I came up with that).