I think it is almost impossible for a sjkater to "reinvent himself" from one year to the next. Just a simple matter like correcting a technical weakness -- say, a bad Lutz edge -- after the old way has become a habit -- that's a tremendous challenge, I would think.
What I do admire, though, is a skater who can remain true to his own style but build on it season after season by adding new content and increasingly mature presentation.
Here is the essential Patrick Chan, master of the blade and of body control, in 2008.
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Not content, he went out and learnt him a quad. Here is his first quad in competition at the 2010 Liberty Summer Competition, recorded by a fan cam (too bad about the triple Axel, but oh well.

) Soon he was dpong two in the LP.
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The same season he began work on what was to become his masterpiece, using
Elegy as an exhibition piece before presenting it as an SP the next year.
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