Let The Sunshine In, And Give Baby A Name That Will Always Keep Them Warm! Tonatiuh Is A Radiant Gender-neutral Name Of Aztec Origin, Meaning “sunshine,” “movement Of The Sun,” And “he Who Goes Forth Shining.” This Is Also The Name Of The Aztec Sun Deity Tonatiuh, Or T?natiuh, Known As “The Fifth Sun.” This Fierce God Can Serve As Inspiration For Your Little One, Teaching Them To Embrace Their Solar Power!