I have so many. Oh so many, as you can probably tell by my comic:




But there's a couple I probably won't be able to fit into Etherwood that I like. One of them is the Jersey Devil:
My favorite sleep paralysis related cryptid is Dab Tsog ("Da Cho"), a Laotian cryptid that followed Hmong (an ethnic group from Laos) expats in the US, that caused a number of deaths from SUNDS (Sudden UNexplained Death Syndrome) or SANDS during the Vietnam War era: