The following is a list of minor alien characters on Rock, Paper, Scissors.
UFO alien[]

The alien's craft being wrecked by Paper and Scissors
During the opening title sequence, while Paper and Scissors are distracted, Rock gets abducted by an alien piloting a UFO. After becoming aware of Rock's situation, Paper and Scissors follow the UFO to rescue their friend. Paper then disconnects several wires on the alien craft, while Scissors hits it with a bat until the vessel explodes.
Fart-smelling alien[]
TBA