Hi I play piano and could possibly make a couple off the top of my head :
Spirited away - E E E E D E A E D D (optional - )
Laputa - C D E - D E - G - D - - (sounds different because it's in C major)
Kiki's delivery service - B G - B F - - B E - D C D
Howl's moving castle - D G B D - D C B A B...