It's not a bug. It's just his description since that's what he looks like. Support already replied that defeating Cheeky won't yield a lot of silvers. (I was disappointed as well ) Try and catch it instead!
Quitted!
"The past is history, the future is a mystery and today is a gift."
The Encyclopedia Descriptions are Lies Although it doesn't affect the gameplay much. They are too Misleading.
Draco has the Same Height as Draconio and Draconius Some of the Monsters Weighs too much for their looks , and some of them have heights that isn't proportional to how they look like...
I mean , come on , Swiper is taller than most of Fully Evolved Epics and also Blocky?
Cheeky does not give any money, the descriptions are just meant to be full of silly stories. Sorry about the confusion, we may change the descriptions in the future.