Mr. Frosty (IMAGE) Howard Hughes Medical Institute Caption A California reptile shop began breeding Mr. Frosty in 2016 and produced a colony of lemon-yellow leopard geckos. The color variety was known as Lemon Frost. Credit L. Guo et al./PLOS Genetics 2021/Steve Sykes Usage Restrictions Must use credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.