Tora

a is the cat owned by Madam Shijimi, the wife of the Fire Daimyo, and it constantly runs away. One of Team 7 first D-Rank missions was to catch Tora after she ran away. Tora also appears in Naruto: Shippūden where Team Ebisu in another D-Rank mission. Both times, Tora is recognized by a red ribbon on its right ear.

As stated by Moegi, the reason for taking so long with the mission was that cat seemed to be used to running away.

Trivia

 * In Japanese, "tora" means "tiger".