Great Characters Wiki

Jet Propulsion is an alien from Bortron 7 that is living on Earth with his parents for a travel assignment. He is the main character of Ready Jet Go!

Why He Rocks

  1. Very kind-hearted and always means well.
  2. He is a competent leader of his group.
  3. He has a huge knowledge of space, he even knows the names of all of Jupiter's moons.
  4. He has a good dynamic with the rest of the cast, especially his pet Sunspot.
  5. He is a very good singer.
  6. Ashleigh Ball does a good job of voicing him.
  7. He provides a lot of the comedy in the series, especially when he misunderstands Earth words.
  8. He is always optimistic and never gives up.

Bad Qualities

  1. Sometimes he can be an idiot, like in the episode "Mindy's Weather Report" where he thinks there's going to be a storm in Boxwood Terrace and he doesn't listen to what Mindy says.


  • Jet has an irrational hatred for ice cream.
  • He is named after the Jet Propulsion Laboratory.
  • He and Sunspot are the only characters to appear in every episode.
  • He has the same voice actress as Rainbow Dash
  • According to Craig Bartlett, he and the rest of the Bortronians are technically sexless (similar to the gems in Steven Universe), but they may identify with masculinity or femininity. This makes Jet technically non-binary. Also, he was indirectly confirmed to being bisexual by Bartlett, after years of speculation on his sexuality.