How many movies have Dawn Merkel and Sam Register collaborated on?

They have worked on 5 movies together! Their first movie together was Batman Unlimited: Animal Instincts (2015) while their highest rated movie together was Mortal Kombat Legends: Scorpion's Revenge (2020). They have not worked together since Scooby-Doo! and Krypto, Too! (2023). They are most known for their animation films together.