Canon vs Fanon

[plastroncafe]

Canon vs Fanon.

It's a topic I give a passing think to every now and again: What aspects of plot, story, and characterization have been more heavily influenced by what I've read outside of canon, than can be supported by the actual cartoons/comics/movies etc.

What really got me thinking about this topic this time around was the thread from not too long ago discussing the relative death order of the turtles. In my mind I have a very clear time line for these events, but it wasn't until I read this the thread in question that I was reminded that this time line was all my fabrication and only tentatively based on what canon has said on the matter.

So I'm curious, anyone else do this?
And if not...what part of fanon do you like?
What parts can you just not stand in the slightest?