Shihlun (Classical Mandaic: ࡔࡉࡄࡋࡅࡍ, romanized: Šihlun, lit.
[2] In the Mandaean Book of John, he is noted for his opposition to the creation of the material universe by Ptahil and his assistant uthras.
[1] Chapter 62 of the Mandaean Book of John contains a story of Shihlun's opposition to the creation of the material world by Ptahil and other uthras.
Ptahil, who fills the role of the demiurge, creates the material world with the help of the uthras Hibil, Shitil, and Ayar ("aether").
[4] Right Ginza Book 11 also mentions the uthra Shihlun as "the good light who gives excellent advice for his brothers.