Here are, IMO, some of the oddest-looking ones.
Coleco Telstar:

Gakken Compact Vision TV Boy:

My Vision:

Some of the Daewoo Zemmix models (like, for example):

Viewmaster Interactivevision:

And finally, some that were just plain ugly.
Atari XEGS:

Magnavox Odyssey 3:

Socrates:

Fairchild Channel F:

You'll notice that most of these consoles are incredibly obscure. This is most likely because their design repelled most consumers.
With that said, what do you feel are the weirdest-looking or most unattractive game consoles?