I really have to say it is indeed dependent on which scalesona I'm using. Even then, it can be a really tough choice.
Sytex Xiuhcoatl (Thickly muscled, Western Build, White and Blue Dragon): Feral
Renu Nero Blake (Lean and nimble, deadly jawed Black and Red Epanterian Tyrannotitan): Anthro
Tiberius Nicholas Sintari (Semi average leans toward muscular, blue flamed, Black and Blue Shiny Charizard): Anthro