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From the front he looked a little like Happy Hooligan, if you remember that far back. From the side, where you got a better view of that silver white crest, he looked like a cross between George Arliss and a cockatoo.

He stood just under four feet tall, big head, crest and all. He had a wrinkled violet-gray skin, curious S-whorled ears, and a Tweedledum tummy; he was dressed in an electric-blue jacket and small clothes of some crinkly material that glittered when he moved, with jackboots on his stubby legs and a white-metal disk, a quarter as big as he was, slung by a baldrick from one narrow shoulder.

…Suddenly illuminated, the Hooligan-thing blazed at him like a Christmas tree ornament. Its eyes blinked rapidly; then the long upper lip curled up in an astonishing crescent-shaped bucktoothed smile. It made a sound like “Khakh-ptui!” and nodded its head several times.

Cavanaugh’s first thought was for the Hasselblad. He picked it up, tripod and all, carried it crabwise backward to safety behind the armchair, then crossed the room and took a poker out of the fireplace rack. Gripping this weapon, he advanced on the Hooligan.

The thing came to meet him, grinning and nodding. When they were two strides apart it stopped, bowed jerkily, and lifted the white disk at the end of the baldrick, holding it at the top, with one of the flat sides toward Cavanaugh.

A picture formed in the disk.

[source]