this is callisto !!!! dioni's earthbestfriend. she works at the in-universe equivalent of nasa and has been trying to confirm the existence of little grey/green aliens for her whole life but then she got one and it wasnt what she expected . dioni isn't what anybody expected actually. she comes in peace and love and callie just wants to study her but they grow into the bestest friends ever. ALSO !!!!! she's laika(the puppy)'s owner!!!! she loves little green aliens so much and she and laika both prone to doing the doggy side eye thing