His brother
I was in Wellington last week and on Friday night a man tried to pick me up, mentioning he was Jermaine's brother- I didn't believe him, and I ended up leaving the bar. Just this morning I saw an ad for Flight of the Concords and I remembered what the guy said (I've forgotten his name). So, out of curiosity, I decided to look him up and, surely enough, it seems the guy was not lying. He is the SPITTING IMAGE of his brother!
Fiddle-dee-dee!