How many movies have Hiroyuki Amano and Udo Suzuki acted in together?

They have worked on 4 movies together! Their first movie together was Dr. Slump: Arale's Surprise Bang (1999) while their highest rated movie together was The Piano Forest (2007). They have not worked together since Go! Anpanman: Bulbul's Big Treasure Hunt Adventure (2017). They are most known for their animation films together.