Ooh... sea serpents, living statues (I've actually used these—many, many years ago), kopru, nuckalavee, thouls, malfera, mujina, gem (psionic) dragons, lung (Asian) dragons, yuki-onna, eyes of fear and flame, crypt things, norkers, scarecrows, hounds of ill omen, yeth hounds, shadow mastiffs, penaggalins, ustilagor, huecuva, , flail snails, dire corbies, yak men, sussuruss, sword wraiths, abishai, formorians, hordlings, su monsters, muckdwellers, spriggans, thought eater, luecrotta, perytons, remorhaz, jiangshi (hopping vampire), kappa, oni, tengu, howlers, quicklings, rokuro-kubi, wang-liang, gaki, neothelids, cerebrilith, caller in darkness, blue (psionic goblin)... I'm sure there's a lot more.