TawntoomCanonLegendsInfinities Sources A Guide to the Star Wars Universe, Second Edition, Revised and ExpandedThe Essential Guide to Planets and MoonsC-3PO: Tales of the Golden DroidGeonosis and the Outer Rim WorldsThe Complete Star Wars EncyclopediaAppearancesStar Wars: Droids: The Adventures of R2-D2 and C-3PO — "Tail of the Roon Comets" (First appearance) (Appears in hologram) (Unknown)Unknown UnknownNoneStar Wars: Droids: The Adventures of R2-D2 and C-3PO — "The Roon Games" (Mentioned only) (Unknown)Unknown UnknownNoneStar Wars: Droids: The Adventures of R2-D2 and C-3PO — "Across the Roon Sea" (Mentioned only) (Unknown)Unknown UnknownNoneStar Wars: Droids: The Adventures of R2-D2 and C-3PO — "The Frozen Citadel" (Unknown)Unknown UnknownNoneShield of Lies (Mentioned only) (Unknown)Unknown UnknownNone