Squiggle is one of the three skins released in one part of the Gottems offer. It could be purchased as part of an item deal for a limited time in early March 2021.
Squiggle could be purchased for $9.99 in a deal that included a package of 10000 coins and 450 DNA. It was not available for individual purchase and may not be available for purchase in the future.
Details of this skin can vary depending on location, platform or time.