Seriously now, people should not accuse other members that they have multiple accounts without evidence. Only admins and mods can have evidences and they would do something against it if that was the case.
In case of Sheamus, even if this is his second account (I don't accuse him of anything, just hypothetically)
he is one of this members that should stay because he proved that he learned from his mistakes and tries to be a better user. Everybody deserves a second chance and he is fine in my book