The minor-character Wonder Rex is assigned to Great Falls, Montana in the USA. Montana houses the Museum of the Rockies, which holds the most dinosaur fossils in the United States, alongside other palaeontological finds. A great number of finds have been found in the state of Montana, most notably the largest Tyrannosaurus Rex skull discovered to date.

While her mother being a pro-wrestler explains Wonder Rex's Fist-based abilities and even costume, her father is titled as an archaeologist, which is actually a field of study specifically about human activity in the past. Palaeontology would be the correct field of study concerning dinosaur fossils.