From Writers Helping Writers:
Pessimist
DESCRIPTION: This doom-and-gloom character believes that if something bad can happen, it will. They tend to focus on flaws and potential pitfalls and see every opportunity as a new way that things can go wrong.
FICTIONAL EXAMPLES: Eeyore (the Winnie the Pooh series), Marvin the Paranoid Android (The Hitchhiker’s Guide to the Galaxy), George Costanza (Seinfeld), Sadness (Inside Out)
COMMON STRENGTHS: Alert, Analytical, Focused, Honest, Introverted, Meticulous, Observant, Pensive, Persistent, Resourceful
COMMON WEAKNESSES: Apathetic, Cowardly, Cynical, Fussy, Grumpy, Humorless, Inflexible, Inhibited, Insecure, Lazy, Martyr, Melodramatic, Morbid, Nervous, Obsessive, Paranoid, Pessimistic, Uncooperative, Withdrawn, Worrywart
ASSOCIATED ACTIONS, BEHAVIORS, AND TENDENCIES
Noticing even the smallest details
Identifying problems and risks before they happen
Avoiding potential trouble spots others may not see coming
Being cautious
Easily identifying things that need improvement
Planning ahead
Being thorough
Always seeing the glass as half empty
Frequently frustrating others with their constant negativity
Having only a small circle of friends
SITUATIONS THAT WILL CHALLENGE THEM
Having to share space with an extreme optimist
Facing a situation with unknown factors they haven’t had time to prepare for
Being complimented for their skills or abilities
Link to the rest at Writers Helping Writers