C418, real name Daniel Rosenfeld, is best known for composing the soundtrack for the indie gameMinecraft. Born in Germany, his real age is unknown, but according to his YouTube channel, he is 25 years old. He has also released an album of Minecraft's official soundtrack, known as Volume Alpha. As well as being the author of Minecraft's soundtrack, he also has produced other albums, such as "72 Minutes of Fame", and "Seven Years of Server Data", which are both available at his Bandcamp site
Guy 1: Oh, hey, have you heard of Daniel Rosenfeld?
Guy 2: Oh, you mean C418? His music is awesome!