Wacky Hyena is one of the three skins released under the monthly Skin'O'Matic offer. It could be individually purchased with game coins in late June 2018.
Wacky Hyena could be purchased in the Skins Shop under the ‘Skin-o-matic’ tab for 1900 coins. This skin was available for a limited time and may not be available for purchase in the future.
Details of this skin may vary depending on location, platform or time.
Note: The Skin'O'Matic offer with the Prankster skin was released again for a limited time in late September 2019. The cost for Prankster remained the same at 1900 coins.