Taco Bell's chihuahua ads got a lot of attention when they were released, but for several reasons, this ad campaign would do the chain more harm than good.

Through the summer and fall of 1996, Alfaro began seeding Psycho Chihuahua with his Taco Bell co-workers. He even ran a focus group, testing several would-be mascots on the masses.

But more than 10 years after her face first graced a "Yo Quiero Taco Bell" ad, marketing's top chihuahua has died at 15 from a stroke. "It was very hard to lose her," owner Karin McElhatton told ...

AP PhotoGidget, the Chihuahua known for her Taco Bell commercials in the 1990s, died on Tuesday. LOS ANGELES -- Quite possibly the most famous Chihuahua in history, Gidget, the bug-eyed, big-eared ...

1990s: Beef Gordita Supreme ($2.99) We’re pretty sure that Taco Bell Chihuahua originally encouraged us to order a Beef Gordita Supreme back in the 1990s. (And if that makes zero sense to you ...