This is Akamatsu-sans new blog for his personal work. For those that don't know Akamatsu-san is the president of Marmit. http://star.ap.teacup.com/karzworks/ enjoy
The toys seems to be called "Astaroth". Go Nagai is holding the toy, seems to be a present for him. No doubt he's liking it This kind of design is more suitable for an action figure or Henshin Cyborg like accessories than full soft-vinyl to me. But the all red version is nice.
oh, so that was Go Nagai! Google translated something along those lines and I do believe that's the first photo I've seen of him, at least recently.