My team’s classes:

Happy: Dilophosaurus (Jurrasic World)

Advanced Happy: Raptor (Utahraptor)

Increased Happy: Baryonyx

Enforcer Happy: Trike (Triceratops) (Triceratops + Styracosaurus)

Defense Happy: Carbonemys

Ripper Happy: Therizinosaurus

Crocodile Happy: Sarcosuchus

Destroyer Happy: Allosaurus

Light-Destroyer Happy: Carnotaurus

Tank Happy: Tyrannosaurus R.

Giga-Happy: Giganotosaurus

Aquatic-Destroyer Happy: Spinosaurus

Flying Happy: Pteranodon

Helper Happy: Lystrosaurus

Hunter Happy: Dire Wolf

Honey Happy: Dire Bear

Stinger Happy: Pulmonoscorpius

Stupid Happy: Coelocanth

If you want to use some of the ideas, up.