Photo by digz_mctwist. Photo by digz_mctwist. Baby Finn Song. Marceline the Vampire Queen (iPad decal) by ~MedaX6 on deviantART. The Morrow. The Morrow is Princess Bubblegum's pet falcon and one of four animals (other than Lady Rainicorn, Swan, and Jelly Horse) that Princess Bubblegum uses for transportation.
It takes her to the convention at Veggie Village in the episode "Death in Bloom. " Finn mistakes Princess Bubblegum's meaning when she says "I'll be back on the Morrow," thinking she means the next day. This ends up being a problem for Finn and Jake, since the Morrow is a fast flier, and this gives them little time to get the Princess Plant's soul back. The Morrow appears again in "Burning Low," when Princess Bubblegum calls it to take her to the Candy Kingdom.
The Morrow makes a minor appearance in "The Suitor," when Princess Bubblegum calls it to take her away after doing research on Braco. Daddy, Why Did You Eat My Fries? [Full Marceline and Finn Video] Is Nostalgia the Reason for Adventure Time's Amazing Awesomeness? Do not do Tier 15!