Totoro-chan is one of the little totoros in My Neighbor Totoro.

Quotes
Unfortuantely, Totoro-chan  doesn't speak a human language.   Totoro-chan runs around collecting and spilling acorns and nuts.
 

Screen Time
Mei finds Totoro-chan in the field near her house.  She chases after Totoro-chan.  Totoro-chan was so scared!  Poor thng!