If you have previous experience with certain hippos and have your own opinion for it then it may be. Otherwise, it would appear to be a joke.
I thought a good name for a turtle is shelly!.
Excellent name for a turtle!
The hippo and prehistoric creatures
no
Xerxes
If your turtle is a snapping turtle than naming him/her 'Snappy', will be quite snappy of you.
Sheldona
A good hippo joke is what would you call an insecure hippo? The answer is a hippocrite.
sure if you like it
extremely good
As long as she doesn't date a turtle named Sav. Then It's lovely.
His birth name was Aurelius Augustinus. Hippo is the name of the town where he lived in North Africa.