Obledo even called for a boycott of Taco Bell if the ads featuring the Chihuahua didn't stop, which, of course, didn't happen ...

It’s not clear what the legal team told Alfaro but, in 1997, the first Taco Bell Chihuahua ad went out onto airwaves. The dog quickly became a sensation. “Yo quiero Taco Bell” became ...

Taco Bell hired a new advertising agency — TBWA — that created its own campaign centered on a chihuahua in 1998. The campaign made the dog starring in the ads and the "Yo Quiero Taco Bell ...