* Rollout: This move can be learned by many Pokémon, including Onix, Steelix, Golem, and Rhydon. It has the ability to push boulders aside as it rolls.
* Strength: This move is learned by many Pokémon, including Machop, Machoke, and Machamp. It allows the Pokémon to move objects, including boulders.
* Rock Smash: This HM (Hidden Machine) can be learned by many Pokémon. While it's primarily used to break rocks, it can also be used to move boulders in some cases.
Keep in mind that some boulders might require a specific combination of Pokémon and moves to move. Experiment and try different approaches to see what works best!