Gliese 436 b is probably my favorite exoplanet (not that it being my favorite is a big accomplishment on its behalf, especially as I am easily amused); however, I believe the same could be said for many individuals (laypeople and scientists alike). This exoplanet is a favorite of many, which is unsurprising as the planet is currently of the strangest, most inexplicable exoplanets we know of. And we know of some strange planets. One, for example, is known to contain some type of unknown substance that has made the planet darker than coal. Plus, with the number of potential candidates approaching quadruple digits, calling Gliese 436b the strangest is really saying something.
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