Complex sentence: Quinlan has fifteen strategically placed black and white tattoos, most of which having an Oriental and Celtic cross theme, which include two half-sleeve tattoos and seven Kanji characters that are used in the modern Japanese logographic writing system.
Split into simpler sentences: Quinlan has fifteen black and white tattoos, most with an Oriental and Celtic cross theme. Tattoos include two half-sleeve tattoos and seven Kanji characters that are used in the modern Japanese logographic writing system.