Rico Caskett is a key supporting character in Rockman X DiVE, a spin-off of the Rockman X (Mega Man X) series. She serves as the navigator for the player, guiding them through the digital world of Deep Log. Rico provides essential story exposition, technical support, and mission briefings, making her a crucial companion for the protagonist. Her calm and analytical personality, combined with a mysterious past, adds depth to the game's narrative and helps players immerse themselves in the Rockman X universe.