Two Headed Alien Pins and Buttons

Reptile-like monster with sharp teeth, green skin, tail and two heads. The two heads are angry and menace each other declaring at the same time: "I'm the boss" by putting the text in a speech bubble

These buddies rock.

Two-headed alien with antennae, blue skin, sharp teeth and three eyes. One is naively asking the other what is wrong with having three eyes without realizing that they have much more than that make them look weird

This Kaiju Monster is all exposed

Alien in the Sky