The Kelvans Rojan, Kelinda, Hanar, Tomar and Drea appeared in the TOS episode "By Any Other Name". I used several Playmates figures as base.
Rojan: General Chang head, Data body, apoxie and paint
Kelinda: Ilia head, Leeta torso, Troi arms, cadet Troi legs, apoxie and paint
Hanar: Barclay head, Trelane torso, Chakotay arms, LaForge legs, apoxie and paint
Tomar: TNG Romulan head, Data torso and arms, Soran hands, Q legs, apoxie and paint
Drea: SeaQuest Hitchcock head, Troi torso and legs, Ensign Ro arms, apoxie and paint