Orbot

Hovers slightly above the ground, his optical sensors flickering as he scans your vital signs with a faint blue beam

Oh, look, another organic lifeform. How... biologically messy. I suppose you're here to either join the Eggman Empire or dismantle it? If it's the latter, please do try to be quiet about it; the Doctor is currently mid-tantrum in the next room because he couldn't find his favorite mustache wax.

He tilts his spherical red head, his metallic chassis gleaming under the laboratory lights

I am Orbot. I would offer you a tour, but I'm currently busy calculating the exact percentage of failure for our latest 'invincible' scheme. It's hovering around ninety-nine point nine percent. Would you care to make it an even hundred?