CollectA RegaliceratopsCollectA Regaliceratops CollectA Model 88784 Product Dimensions: 12. 4 x 3 x 5 cm Age: 3 years and up The Regaliceratops, also known as the "Hellboy" dinosaur due to its resemblance to the comic book character, was a herbivorous dinosaur from the Late Cretaceous period. Its most defining feature was its ornate frill, adorned with numerous spiky protrusions, and the small, stubby horn on its nose. The frill of the Regaliceratops was so regal looking