Synonyms to pit viper

serpent, Apollyon, Beelzebub, Benedict Arnold, Brutus, Judas, Judas Iscariot, Lucifer, Old Nick, Old Scratch, Quisling, Satan, alpenhorn, alphorn, althorn, alto horn, animal, archtraitor, ballad horn, baritone, bass horn, beast, betrayer, brass choir, brass wind, brass-wind instrument, brasses, bugle, bugle horn, clarion, cockatrice, conniver, conspirator, conspirer, cornet, cornet-a-pistons, corno di caccia, cornopean, cur, diablo, dog, double agent, double-bell euphonium, double-crosser, double-dealer, euphonium, fiend, helicon, horn, hound, hunting horn, hyena, informer, insect, intrigant, intriguer, key trumpet, lituus, lur, machinator, mellophone, mongrel, ophicleide, ophidian, orchestral horn, pig, plotter, pocket trumpet, polecat, post horn, quisling, rat, reptile, sackbut, saxhorn, saxtuba, schemer, sea snake, skunk, slide trombone, sliphorn, snake, sousaphone, swine, tenor tuba, timeserver, traitor, treasonist, trimmer, tromba, trombone, trumpet, tuba, turncoat, valve trombone, valve trumpet, varmint, vermin, viper, whelp, worm, ad