12.
To me, Lucario's design is all over the place and it's trying way too hard to look cool. Its teardrops on the back of the head look tacked on, the mouth in general is weird, the tail doesn't feel natural compared to its pre-evo, and the spikes just feel random.
I too have liked Lucario in the past but as time went on, I've grown to dislike it, which is a shame because I'm a dog person. Luckily, Pokémon has delivered future anthropomorphic canines I like such as Lycanroc-Midnight and Zoroark.