Crassula ovata, the Shrek's ears version

This form of Crassula ovata, previously known as C. portulacea and C. portulacea var. cristata respectively, has several common names like Shrek's ears and Gollum Jade. A range of similar leaf-shapes, all originating from the same C. ovata origin are common in gardens, popular in horticulture (iNaturalist; Wikipedia; https://thegardenpages.com; www.davesgarden.com; www.asknature.org).