Metal band Okilly Dokilly frontman Head Ned explains that to sing like Ned Flanders, one must “channel everything that is not Ned Flanders — all the pent-up hatred from never getting your power tools back, from trips to the post office, from constant encounters with foot-longs — you take it and you push that with the diaphragm and from there you can scream all the diddilies that you want”