Wacky Hero is one of the three skins released under the ‘Anime Nation!’ part of the Anime (Volume I) offer. It was available for individual purchase using game coins in late May 2017.
Wacky Hero could be purchased in the Skins Shop under the ‘Anime’ tab for 690 coins. It was available for a limited time and may not be available for purchase in the future.
Details of this offer can vary depending on location, platform or time.
Note: The 'Anime Nation!' offer with the Wacky Hero skin was released again for a limited time in early June 2018. The price for Wacky Hero remained the same at 690 coins.