I do not know any good joke for your pun a brr-hippo, and I do not understand your question very well.
A good joke for your pun a brr-apple is: Doctor, Why do apples look like a bed? Brr-apple
A good joke for the pun brr-lion would be: What did the lion put in his drink to make it cold? Mice cubes!
I do not know a joke about a pun backwards lion. This is a joke.
What do you call a tadpole that grew up in an ice cube
What do you call a bee in a bed? A bed bug.
Pun.
A bee pun that goes old is a mumble bee. This is a joke.
One pun for the name Belle is Taco Belle. A pun is a joke that plays off the different meanings of a word.
A hot cross pun.
sun pun
Here is a bee joke Q: What's a bees favorite novel? A: The Great Gats-bee.
The man took the bee to bed because he wanted a last sting relationship.