Asimar - "Ahss-Ihmar" all short vowels. No comment.
Asmodeus - "Dee" to his friends, "Moe" to his enemies, but his mamma calls Him "Ahz-Moe-Dee-Us" when he's in trouble.
Blibdoolpoolp - "BLIP-idy - ''bloop" Pronounced no so much speaking but making water drop/air bubble noises, the 'idy' sounding like an echo of the 'blip' and a long pause before the 'bloop'.
Bulette - "La'and-sha'ark." "Michael Boobley" or "Bull-et" are also acceptable.
Catoblepas - "Cammel-toe-*BLEEP*-us"
Chimera - "Chimmi-CHONGa"
Drow - "D'row" like cow with a d' in front. Sometimes "Duh-row" with the row sounding like a cat noise, "Purple People," "Spider 'effers," "Bad* Elves" *Bad being replaced with Evil, Rotten or Whip with equal frequency.
Ixitxachitl - "EE-vil-Man-tah-ray"
Juiblex - "Gooey-Blekh"
Kuo-toa - same as "Kowtow"
Maglubiyet - He prefers to go by "Lou." His enemies call him "Maggie" but his mamma calls him "Maggie-Louie-eye-ette" when he's in trouble.
Neo-Otyugh - is pronounced as Otyugh proceeded by "NO!", "Naw", or "N'eew" recoiling in an exclamative protest against the smell.
Otyugh - "Oh-t'-yukh" The "Oh" is like when you get fart bombed in an enclosed space, t' is like spitting, and yukh is a more gurgly yuck, and it must be pronounced with a look of extreme disgust, and may include holding your nose.
Sahuagen - "ahWOOOgaa" as an old timey cartoon siren noise they make looking at beautiful women with their eyes popping out, or "Sha'ark-me'en"
Svirfneblin - "Sven-*'EFFIN'*-bling" or "SMURF-Nebb-Lynn." "Smurf" for short.
Xvart - "EE'vile-SMURF"
Yuan-Ti - "WantTea" or "I want tea"