Eeyore

1. A talking donkey from the English children's book series Winnie-the-Pooh, noted for his melancholy and drowsiness.

plural Eeyores

1. figurativelyAn excessively negative or pessimistic person.

   SVEN nods toward SNORRI THE MISERABLE - an Eeyore of a Viking if ever there were one.

   1989, Terry Jones, Erik the Viking, Hal Leonard Corporation, published 1990, →ISBN, page 39

   2 more examples

   Ecclesiastes, who sometimes seems to cast himself as the Eeyore of the Old Testament, would simply shrug his shoulders and tell you to make the best of what you had.

   2003, The Resurrection of the Son of God, volume 3, of Christian origins and the question of God, Nicholas Thomas Wright, Fortress Press, →ISBN, page 108

   You can't succeed as a Pollyanna or an Eeyore in the Product Management role — the glass is neither half full nor half empty, simply something that must eventually be washed.

   2008, Steven Haines, The Product Manager's Desk Reference, McGraw-Hill Professional, →ISBN, page 99