Bhaal, Bhaal, and Bhaal, because he had surprise sex with a Fire Giant lass and spawned Yaga-Shura (now there's an image to tell the grandkids). Nasty!
Oghma has always been my favorite, and would definitely be my patron deity if I ever found myself on Faerun. Oghma also fits my mage PC concept extremely well, since I've always made curiosity my reason for exhausting every possible dialogue option and doing every sidequest
Comments
2 - Umberlee
3 - Beshaba
2) Azuth
3) Ao