Tien

What's more dangerous than an engineer who has only some idea of what he's doing? His kids! In all fairness, most of the things Tien blows up are on purpose; she loves making loud noises. As Yophiel's oldest, she considers herself to be the true heir to his engineering prowess, but her (minutes-younger) brother, Sgaire, begs to differ.

The goggles, they actually filter out harmful radiation and, with the push of a button, help Tien see into the infrared end of the spectrum! They don't help much with blowback to her nose, though.

Tien is normally a mischievous prankster and a playful tease, but as tensions rose in the clan, her pranks took on a darker edge.

Tien sided with Corbin during the rebellion, and it changed their family dynamic. Sam moved out, Tien and Yophiel actually had a shouting fight, and Seascape won't stop crying. Sgaire, though he doesn't like what happened, refuses to cut his sister out of his life entirely, but it's uncomfortable for everyone. Tien is too stubborn to admit if she's made a mistake, and she refuses to back down on her accusations that it was Dor and Ankuroth who caused the whole thing in the first place.