ice age 3 Dawn of the dinosaurs

The largest Dinosaur, Rudy, is most likely a Suchomimus. Closely related to the Spinosaurus, which we know to be bigger than a T-Rex, Rudy is without the sail on its spine but instead has scales on its back, which cancels out him being a Baryonyx. The shape of its snout and the dimensions of its teeth further suggest this.

• Buck was based not just on Crocodile Dundee but also Frank Buck adventurer and actor in the 30s and 40s.
  Before Buck starts to escort the herd to rescue Sid in the underworld he says "abandon hope all ye who enter there", a reference to the inscription above the gates to hell according to Dante Alighieri, Italian poet and author of Divina Commedia (The Divine Comedy).