Old School RuneScape uses the British convention for floor numbering: Ground floor, first floor, etc.
Release date 12 December 2002 (Update)
Members only? Yes
Race Gnome
Quest NPC? Monkey Madness I
Location 1st floor[?] of the Grand Tree
Sells items? Blurberry's Bar
Gender Male
Notable features Sells drinks
He seems to run the cocktail bar.
Blurberry chathead

Blurberry is the non-player character with whom players must speak before being allowed to play the Gnome Restaurant minigame. He is also used to get the drink required to complete the Recipe for Disaster quest. He is found on the 1st floor[?] of the Grand Tree in the Tree Gnome Stronghold. He also plays a minor role in the Monkey Madness I quest. You can speak to him using the NPC Contact spell.