In Tom and Jerry : The Magic Ring , the name Nibbles was used again -- and the character was depicted as a pet - store mouse whom Jerry does n't know .
From the 1950s , the mouse was called Tuffy on - screen as well .
In Tom and Jerry : The Magic Ring , the name Tuffy was used again -- and the character was depicted as a pet - store mouse whom Jerry does n't know .
From the 1950s , the mouse was called Tuffy on - screen as well .