This Seeking Tech guide will show you how to unlock the Prince Charming and Ugly Duckling trophy and achievement.
You can find the unlock requirements below:
Prince Charming: “Attack a Kerotan for the first time.”
Ugly Duckling: “Attack a GA-KO for the first time”
You find both of these hidden throughout the game, including at the very beginning. You can find the locations in the first area with the video walkthrough below: