Let me see....
Screech, Teela, Battle Armor He-man and a demon from the Blackstar series.
Webstor, Man-E-Faces, Moss Man, Trap-Jaw
(behind Webstor) Kadray from the Blackstar series
(back row) Whiplash, Beast Man Stratos, Roboto
(front row) Mekaneck (left arm anyway), Sy-Klone, Mer-man, Man-At-Arms
(front corner) Tri-Klops
(extension of pic4)
Black Face Grizzlor (rare), Buzz-Off
I guess that's it!
Hope it helps.