The puppies are small, with beige fur and big black eyes. They have red tongues and little pink hearts on their behinds.
Star creates them when Marco mentions puppies in "Star Comes to Earth". At first, Mr. and Mrs. Diaz are enamored with them. However, they start shooting lasers, much to everyone's surprise. Shortly after, one of the puppies is sucked into a black hole that Star accidentally creates in Marco's room, and its current fate is unknown.
In "Marco Grows a Beard", a talking laser puppy appears in Star's dream, giving her the encouragement to move through Marco's overgrown beard. Upon waking, she uses an actual laser puppy's eye lasers to cut through the hair, but loses it after encountering Ludo and his minions.
In "My New Wand!", Star tries to use one of the laser puppies (whom she refers to as "Sajak") to cut through the door of her closet (which Marco is trapped in), but the lasers have no effect.
In "Fetch", Star and Marco take the laser puppies to the local dog park. Later on, Marco tries to get one to use its lasers to open his juice pouch, but it zaps him in the eye instead, causing it to glow for a short while.
In "Running with Scissors", the laser puppies pester Marco into taking them to the dog park. Marco uses Star's dimensional scissors to open a portal to the park, and the laser puppies pass through it. When Star looks through the portal a while later, she sees that the puppies have set the park ablaze with their laser eyes.
In "Return to Mewni," one of the laser puppies (identified as "Barko Diaz") is with Marco while he sits in the kitchen, depressed over Star's departure.
In "Butterfly Follies", some of the laser puppies are seen running out of the Monster Temple.
- Star Comes to Earth
- The Other Exchange Student
- Cheer Up, Star
- Brittney's Party
- Lobster Claws
- Freeze Day
- Royal Pain
- Marco Grows a Beard
- My New Wand!
- Red Belt
- Star vs. Echo Creek
- Page Turner
- Trickstar (pictured)
- Running with Scissors
- Heinous (pictured)
- Face the Music
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- In the first opening sequence and end credit animation, Marco is seen with the laser puppies.
- Even though Star originally creates eight puppies, one of them is later sucked into the black hole she accidentally makes in Marco's room.
- The puppies bear a resemblance to Labrador Retrievers.
- It is not shown in the series about what happened to the laser puppies after magic is destroyed in "Cleaved".
- ↑ Season 2, episode 1: "My New Wand!"
- ↑ Disney XD (2017-02-06). #MarcoLIVE Animated Live Chat!. YouTube. Retrieved on 2017 March 4.
- ↑ Season 3, episode 1: "Return to Mewni"
- ↑ Disney XD (2017-02-13). The Return of #MarcoLIVE. YouTube. Retrieved on 2017 March 4.
- ↑ Adam McArthur (2019-05-20). Or maybe just not laser-y. Twitter. Retrieved on 2019 May 23.
- ↑ Daron Nefcy (2019-07-06). They did, they just don’t shoot lasers now. They are just regular puppies. Twitter. Retrieved on 2019 July 7.