Lil’ Rover is an Epic Fortnite Emote. Lil’ Rover was available via the Battle Pass during Season 18 and could be unlocked at Tier 0.
How-to Get the Lil’ Rover Emote
Lil’ Rover is part of Season 18. If that season is still currently in the game, you can obtain this item by purchasing and/or leveling up your Battle Pass.