2144–2124 BC) asks a goddess to send a "good udug" to protect him and a lama to guide him.[2][4] Surviving ancient Mesopotamian texts giving instructions for performing exorcisms frequently invoke the "good udug" to provide protection or other aid as the exorcism is being performed.[5] Mesopotamian magical texts, however, also mention a specific "evil udug" as well as plural "udugs", who are also referred to as evil.[2] The phrase for "evil udug" is Udug Hul in Sumerian and Utukkū Lemnutū in Akkadian.[6] The evil udug is often a vector for physical and mental illnesses.[7] The canon of exorcism of the evil UDUG is known as UDUG HUL, the Akkadian expansion of which (known in Akkadian as Utukkū Lemnūtu) is in sixteen tablets.[8][9]