Mark Renton Mark renton is a scottish heroin addict and the main protagonist of the film. He narrates the film and we tend to root for him throughout the film. He is a typical heroin addict who always says hell get off of it but never does. He is the character who delivers some of the most iconic lines in the movie. Half way through the movie he gets off with an underage girl, diane, and moves to central london. Quotes : Straight away he clocked us for what we were. Small time wasters with an accidental big deal It's SHITE being Scottish! We're the lowest of the low. The scum of the fucking Earth! The most wretched, miserable, servile, pathetic trash that was ever shat into civilization. Some hate the English. I don't. They're just wankers. We, on the other hand, are COLONIZED by wankers. Can't even find a decent culture to be colonized BY. We're ruled by effete assholes. It's a SHITE state of affairs to be in, Tommy, and ALL the fresh air in th...