First there was part one. Then part two. Now, here is the third and final installment of Glee stars' yearbook superlatives. Who in the cast is deemed by her costars as Most Adventurous? That would be Heather Morris (Brittany). Mark Salling (Puck) is deemed the Biggest Flirt, while Harry Shum Jr. (Mike) and Darren Criss (Blaine) are co-winners of the Biggest Nerd honors. As for Best Laugh: That one goes to everyone.