not really.
I guess in an absolute pinch, you could say Applejack, But it’s not really a position I set in stone.
I like different qualities each of them has.
I may have weeks where my moods towards each of the characters shifts based on the show, but it’s not something that’s really set in stone.
I won’t deliberately avoid one of the main six for arbitrary reasons basically.
Now, if we were to go into the princesses (not including Twilight) That’s a whole other matter entirely! 😛 (Luna Republic forever!)