It is likely that both of those odd persons left.
The first attested use of the word is from 1781 and means an odd person.
People later described him as an odd and shy person.
But there's always got to be an odd person that has to say something.
Initially I read just to please myself: the happy odd person left alone with his peculiar subjects.
Nobody wants to be perceived as the odd person out.
But why would anyone else care about his peculiarities when he was the odd person out?
This didn't bother her, being the odd person at press conference?
"You're a very odd person to write about it," she said.
Susan Sharp would seem to be the odd person out in this group.