IEEE Spectrum put together a cool article called Who's Afraid of The Uncanny Valley, which is all about creepy humanoid robots, including a cool slideshow sowing some examples of particularly disturbing ones.
Japanese roboticist Hiroshi Ishiguro is especially well-known for his creepy humanoids.
The term uncanny valley refers to this infographic, which was first published in 1970 (the colored examples were added by IEEE). I don't know what it is, but I just love the term 'uncanny valley' and the graph itself. I feel like I could stare at it for hours.
Here are some decidedly cute robots playing soccer, as part of the RoboCup competition. I love it when they fall down! Aww!
More robots playing soccer on YouTube.