Perhaps we already have, without knowing it. But it would probably be rude to ask.

Well, even lizards have to eat something. I suppose if you kept one in captivity, you could feed it non-cricket insects...

But in that case, please examine this picture. I believe it looks like a cuttlefish of very discerning taste (http://farm7.static.flickr.com/6179/6176439998_ae71a443d9_z.jpg).