Will Ferrell had to go through the “excruciating” pain of being called John by his teachers at school. The ‘Elf’ star was registered at birth as John William Ferrell, but his parents called him Will and it took ages before people got used to calling him by their chosen moniker. He told his ‘Anchorman’ co-star Christina Applegate and Jamie-Lynn Sigler’s ‘MeSsy’ podcast: “This is a minor thing in terms of — it’s not really even trauma — but I remember feeling so embarrassed because my real name is John, John William Ferrell, so first day of school, I’d be John. The teacher would be like ‘John Fe…