Beat together peanut butter, eggs, and water. Gradually add cake mix. Mix well. Form dough into 3 cm balls. Place on ungreased cookie sheet. Flatten balls with bottom of glass dipped in sugar. Pinch out 2 ears at top of cookie. Add M & M's (eyes) and red hots (nose). Press fork into dough to form whiskers.
Bake at 190ºC or 8-10 minutes.
Makes 4.5 dozen.