How many movies have Parvan Parvanov and Phillip J. Roth collaborated on?

They have worked on 17 movies together! Their first movie together was Locusts: The 8th Plague (2005) while their highest rated movie together was Basilisk: The Serpent King (2006). They have not worked together since Lake Placid vs. Anaconda (2015). They are most known for their horror films together.