Adathan and Yadathan
In Mandaeism, Adathan and Yadathan are a pair of uthras who stand at the Gate of Life in the World of Light, praising and worshipping Hayyi Rabbi. In the Ginza Rabba and Qulasta, they are always mentioned together. Book 14 of the Right Ginza mentions Adathan and Yadathan as the guardians of the "first river".
Along with Shilmai and Nidbai, Adathan and Yadathan are among the most frequently invoked uthras in Mandaean prayers, such as in the Asut Malkia. In Mandaean texts and prayers, Adathan and Yadathan are always mentioned together.