Not entirely convincing, but entirely freaky: it’s a robotic head modified to articulate words spoken by Alexa. When I first saw the thumbnail I thought it was rendered because it just looked *too* weird but indeed it’s a physical head with servos, capable of multiple movements and expressions:
Robot using Alexa input into USB soundcard, with EZ Robot software controlling 2 mouth servos. Elvia has a total of 10 degrees of freedom.
Source: Adafruit – Robotics