A 19-YEAR-OLD man is due to appear in court today charged with the murder of 16-year-old "gentle giant" Jimmy Mizen.Suspect Jake Fahri, 19, mistook Jimmy’s brother Harry, 18, for someone who owed him �20 for marijuana, a pal told The Sun.Jimmy, 16, stepped in to calm the situation — and Fahri allegedly smashed a glass dish on his head and slashed him with a shard, the friend said.Fahri, of Lee, will appear before Sutton Magistrates Court. They really are dressing this up