Most will know Noel Fielding, if they know him at all, from “The Great British Baking Show,” which he has co-hosted since 2017. He’s the tall pasty-faced, middle-aged glammy Goth with the loud clothing and a habit of bothering bakers at crucial moments. You may have looked at this strange, jolly person and wondered whence he came and what kind of career could have sustained him to this point. Those versed in modern Britcom will know him as a member of the comedy team the Mighty Boosh (and from their series, “The Mighty Boosh”), “Noel Fielding’s Luxury Comedy,” sundry roles in some of this cent…