Here's Trap Jaw, a Masters of the Universe action figure every child of the 80's should be familiar with:

And here's Big Jim character Iron Jaw, from a toy line that came out in 1971:

Man-E-Faces, who I thought was so cool - - what the hell was I thinking?

Big Jim figures Zorak and Vektor

Many more examples
here.
Via.
There's actually a bunch of Big Jim figures on sale at eBay, including the
evil Zorak.