Araqiel (also Arakiel, Araqael, Araciel, Arqael, Sarquael, Arkiel, Arkas) taught humans the signs of the earth. However, in the Sibylline Oracles, Araqiel is referred to not as a fallen angel, or Watcher, but as one of the five angels who lead the souls of men to judgement, the other four being Ramiel, Uriel, Samiel, and Azazel.
Armaros (also Amaros) in Enoch I taught men the resolving of enchantments.
Azazel taught men to make knives, swords, shields, and how to devise ornaments and cosmetics.
Gadreel (or Gader'el) taught the art of cosmetics, the use of weapons and killing blows.
Baraqel (Baraqiel) taught men astrology
Bezaliel mentioned in Enoch I, left out of most translations because of damaged manuscripts and problematic transmission of the text.
Chazaqiel (sometimes Ezeqeel or Cambriel) taught men the signs of the clouds (meteorology).
Kokabiel (also Kakabel, Kochbiel, Kokbiel, Kabaiel, and Kochab), In the Book of Raziel he is a high-ranking, holy angel. In Enoch I, he is a fallen Watcher, resident of the nether realms, and commands 365,000 surrogate spirits to do his bidding. Among other duties, he instructs his fellows in astrology.
Penemue "taught mankind the art of writing with ink and paper," and taught "the children of men the bitter and the sweet and the secrets of wisdom." (I Enoch 69.
Sariel (also Suriel) taught mankind about the courses of the moon (at one time regarded as forbidden knowledge).
Samyaza (also Shemyazaz, Shamazya, Semiaza, Shemhazi, Semyaza and Amezyarak) is one of the leaders of the fall from heaven in Vocabulaire de l' Angelologie.
Shamsiel, once a guardian of Eden as stated in the Zohar, served as one of the two chief aides to the archangel Uriel (the other aide being Hasdiel) when Uriel bore his standard into battle, and is the head of 365 legions of angels and also crowns prayers, accompanying them to the 5th heaven. In Jubilees, he is referred to as one of the Watchers. He is a fallen angel who teaches the signs of the sun.
Yeqon (also Jeqon or Yaqum, יָקוּם, "he shall rise") was the ringleader who first tempted the other Watchers into having sexual relations with humans. His accomplices were Asbeel, Gadreel, Penemue, and Kasdaye (or Kasadya), who were all identified as individual "satans".