It had a Great Dark Spot, which was a big storm, but it disappeared. A smaller one has shown up since.
its big and awsome and blue
Neptune has rings and is magnetic. Yes, but that isn't unique.
Uranus and Neptune are called the sister planets
aliens did that
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it has no characteristics of any kind
aliens did that
gas
its blue
Yes, Neptune does have rings, as to other uniquefeatures, Neptune is an almost exact twin of Uranus. (There are differences in size, and a few other characteristics not worth noting).
Neptune was the first planet found by mathematical prediction rather than by empirical.
Pluto's orbit remains inside Neptune's orbit for about 20 years out of its 248-year orbital period. This phenomenon occurs due to the unique orbital characteristics of Pluto and Neptune.