I have no idea what those things are.
It depends what noise they make. If it's like a screeching or like howling it'd be creepy but like chirping. Omg adorable.
what if they sounded like this guy: https://www.youtube.com/watch?v=KrReyA4Zsvs&feature=player\_detailpage\#t=4s
Link
Tuffghost
Besides adorable? Maybe a little terrifying if one was gnawing on your leg/hand.