Olive is a character who appeared in the episode "Phil's Sexy, Sexy House", where she was Manny Delgado "fetching" study partner and love interest.
In that episode, Manny wanted to use his brother Joe's cuteness to impress her, so when she arrived at the Pritchett household, he introduced her to Joe, who then pretended to be a dog, and unfortunately for Olive, bit her on her leg. Olive screamed and Manny tried to pull Joe off her leg and whacked him with a newspaper to make him stop.