An unnamed species of green tentacled aliens was featured in Beth and Summer, the back-up comic of "Rick and Morty Issue 21".
History[]
At some point, Rick Sanchez became friends with a group of space travelers of this species, and gave them the coordinates of his house in case they ran into problems.
One day, a supersized star was heading towards their planet, so they used the coordinates to go to the Smith Residence via a portal, but only found Beth and Summer. However, the two decided to help anyway. The two were taken to the aliens’ spaceship through the same portal, and Beth decided to solve the problem by “acting like Rick”, which was basically getting drunk, yelling catchphrases and pressing random buttons. Surprisingly, this worked, as she made the star change course. However, it started heading towards the spaceship instead.
Summer dragged Beth towards the portal and made the latter accidentally spill her drink into the spaceship’s board, causing it to malfunction and close the portal. Summer and Beth escaped on time, but the aliens remained stuck on the spaceship and were killed by the star. The rest of their species on the planet survived.