Most interesting main character? Most interesting side character?

[Warmmedown]

Is Ash/Satoshi always the main?
(Satoshi seems like such an old man name, for some reason)

If yeh, who's the most interesting major character? Like Misty, Brock, James, Jessie, Serena, May

And sides, like Oak, Elm, potato wedges etc

 

[Yoshi]

Main? Brock.

Side? Gary.

 

[Papasmurf]

If including Special, then the most interesting goes to Ruby. Most interesting side character goes to Wally