Anxiety has a secret that if he becomes extremely angry or stressed he turns into a small black kitten, he doesn't know why but he knows one thing the others can never find out his embarrassing secret. Original by @chickitagurl called purr-fect Totally recommend reading it all credit from this concept goes to her.
Dipper is an aspiring author looking for work on the sea for something to write about. He is going around a port city asking around on different ships one night when he stumbles upon she ship of the Demon of the North Seas, Captain Bill Cipher. He is taken prisoner for a night, not knowing whether he would live or die...