Team Logo. The Northern Kentucky River Monsters were a team in the Ultimate Indoor Football League. They were known for their helmets, which featured a large eye. They left the league in 2011. Retrieved from "https://prosportsteams.fandom.com/wiki/Northern_Kentucky_River_Monsters?oldid=13617" Categories: UIFL Teams Teams in Kentucky Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.