You see Thundarr the Barbarian up there? Don’t get excited: the line was never produced. The show was canceled in late ’81, so it was a long shot anyway, although you have to think it would have done better than Arak, based on the DC Conan knock-off.
Here’s a great Fantastic Films article on Thundarr, my favorite American animated series.
2 Warps to Neptune 
Wow. I remember getting a action figure similar to the purple dino-headed guy one xmas from my nana — it had a soft rubber triceratops head on what I thought even then was a He-man knock off body. Must have been a Remco.