May

 May- The vessels deserve to live and be happy more than I do. I had my chance and I wasted it. It's my own fault... Why should others suffer for my stupid actions? (May making her final decision, the Finale)  May is the protagonist of the Twelve series. She is a pinkish orange ragamuffin-tabby cat with pale orange and white striped ears, paws and tail. She has a star-shaped patch on her left cheek and amber eyes.

With the help of Imp the reaper, she has to complete a quest to help fix twelve animal's lives in order to be saved from death.

Family
Mother: Pheobe

Father: James

Mate: Simon

Daughter: Heather

Son: Cypress (Cy for short)

Episode 1
May is first seen in her house, watching the storm outside. She and her mother have a conversation about May leaving to explore and it ends when May runs away into the forest. She runs for a few moments until she got hit by lightning. She wakes up in a strange area she doesn't know and meets Imp. May finds out she died and after talking for a little while, May makes a deal with Imp in order to get her life back. She has to live the life of twelve other people and solve their problems.

Episode 2
May wakes up as a she-cat named Ivy. Ivy is abused by a tom-cat called Reed after he took her to his home. May makes her get angry at Reed and after attacking her, Reed kicks her out of his home.

Later, Ivy meets a friendly stray dog called Azalea in the evening and goes home with her new friend, she joins Azalea's group of stray cats and dogs. At midnight, May leaves Ivy's body.

Episode 3
May is now a young pet dog called Heather, she first doesn't seem to like it that much, but after finding out Heather has cancer and also wants freedom, just like May, she shows sympathy for the dog.

Later, Heather leaves her home to explore the forest. Later, Heather meets the Lantern Bearer, decides to 'go' and leaves her body. During this, May is also pushed out of Heather's body. Heather thanks May for her help and then leaves with the Lantern Bearer.

Episode 4
== Later.

Episode 6
Later.

Episode 7
Later.

Episode 8
Later.

Episode 9
Later.

Episode 10
Later.

Episode 11
Later.

Episode 12
Later.

The Finale
Later.

Prologue
Later.

Quotes
 May- If you really loved me, you'd let me leave. (May to her mother, episode 1) 

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' May- Want me to punch you? Don't touch me. (May to Imp, episode 1) '

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 May- I'm consulting the 'magic wrist watch' in the middle of purgatory. (May to Imp, episode 1) 

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 Imp- You can't just fight back like that! 

' May- Oh yeah? Watch me. (May to Imp, episode 2) '

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 May/Ivy- NO! You ruined it! (May/Ivy to Reed, episode 2) 

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' May- At least as a spirit... I'm free.. (May, episode 3) '

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 May/Heather- But I have to do this. (May/Heather, episode 3) 

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' May- What if I.. What if I can't do it? (May to Imp, episode 3) '

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' May- Thistle has shown me that it's okay to be myself. And now I'm willing to fight for myself too. (May, episode 4) '

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 May- Because trash is an important part of everyone's nutritious breakfast. (May, episode 5) 

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 Imp- Where are you afraid of? 

 May/Ebony- Nothing. (May/Ebony, episode 5) 

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' May (sings)- Whenever you call my name, I'll be there. Wherever you'll be, I know, I'll be there... (May singing to comfort Daisy, episode 5) '

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' May- I wasn't born ready.. I died ready! (May to Imp, episode 5) '

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 May- Love should be unconditional! (May, episode 6) 

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 May- I'm not 'May' anymore.. (May, episode 7) 

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 May- Imp, the only thing that scares me about you is how much you hide from me. (May to Imp, episode 7) 

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' May- Imp... You're a criminal?! (May to Imp, episode 8) '

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' May- I'm not your puppet. Stop treating me like one. (May to Imp, episode 8) '

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' May- I'll take care of you. I promise. (May to Lupine, episode 9) '

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 May- Leave Imp alone. (May to a reaper, episode 9) 

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 May/Lupine- BEACH DAY!!! (May/Lupine, episode 9) 

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' May- Will I ever see you again?''. (May to Imp, episode 9) '''

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 May- Oh yeah, sure, just like being bullied is a choice. (May/Poppy to Lobelia, episode 10) 

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 May- I'm the absolute BEST matchmaking, vessel-hopping, reaper-sassing girl out there! ( 

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' (young) May- One day.. I'm gonna see the whole wide world! '

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 May- IMP YOU'RE ALREADY IN TIME OUT! 

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' May- You have to learn to face your problems instead of running away from them... otherwise you'll get yourself hurt. (May to Rue, the Finale) '

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' May- Coming from me... the other side of you. (May to Rue, the Finale) '

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 May- This calls for the biggest imaginary stub five of all time! (May to Imp, the Finale) 

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 May- I never would have thought someone like me could help so many people... (May, the Finale) 

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 May- Imaginary stub five? (May to Imp, the Finale)