Yes The Fonz is very welcome here, and needs to make no apologies. I spoke to him at length this evening. Here are the facts:
* Grandpa is a 17 year old who is an apprentice mechanic
* In addition to using the Grandpa name, the vast majority of previous 'The Fonz' messages were by him. That has now changed, of course with the real Fonz finding out what is going on.
* The Fonz (the real Fonz) attended a recent FF meet due largely to being informed of it by 'Grandpa'. The Fonz's name is Ben (yep another one!