That is the awesomest and beats my "Nebulous hand"
I think they came in when Red Lamp was first starting the database. When he gathered all these things, they probably made sense on the database it was on, but putting all these things on to one place (think of all the different formats, styles, etc.), made for problems like this and duplications.
Remember all characters have to be approved, so unless they're approving with their eyes closed, Calista at age seven ..., etc. are all from implementation (Note there usually isn't a submitter credit on the left hand side either)