User blog comment:Miskos3/Fairy Tail Episode 245: Tartaros arc: Hell's Core, Review/@comment-107.167.112.64-20150812132547/@comment-4829046-20150812143725

I'm pretty sure they are just embodiment puppets created by Rusty. Note how they went to pains to show Rusty had 'matured' while keeping the other two unchanged? The manga only had his info as well.