Among the dinosaurs, which one is my tittle ?
I'm going to say the Ankylosaurus http://home.no.net/paleo/ankylosaur/ankylosaurus_3.jpg
Not many animals would even bother messing with this thing, it's essentially a spiked tank with a ball and chain attached to it's rear. Thus, it could just spend it's time chilling out, eating low-growing vegetation, shooting the breeze etc.
Separate names with a comma.