Answer: Sandy Olsson
Poor Michael found himself in the spotlight from the get-go, as well-meaning headmistress, Miss McGee, announced his arrival, and his intelligence, to the entire school. However he did have one ally, in the form of Frenchy, who took him under her wing and looked out for him, mainly because he was the younger cousin of her good friend Sandy, (from the first "Grease" film). Nevertheless, Michael did spend much of the film as an outcast, and spent a large portion of his time alone.