Tuffy (also known as Nibbles) is a fictional character from the Tom and Jerry cartoon series. He is the little, blue / gray, diaper - wearing orphan mouse whose cartoon debut came in the 1946 short The Milky Waif. Tuffy was later featured in the 1949 Academy Award - winning short The Little Orphan.
what is the baby mouse name on tom and jerry
Tuffy Tuffy Nibbles