Emoji Alien

These unnamed aliens appeared in the Samurai Jack episode "XCII".

Overview
They appear to be humanoid creatures have blue skin, colorful eyes, light colored hairs, elf-like ears, canine like mouths, and antennas which are talented for communication suggest that this species doesn't possess any ability to speak.

Three members of the species being both a mother and her children, appeared in XCII where they are surrounded by an army of beetle drones that are later destroyed by Jack. It is unknown if they would still have been transferred to Earth even without Aku's rule in the future.