From The Independent, The 100 favourite fictional characters as chosen by the literati.
The story is from 2005 but I just found it. Some interesting choices in the list.
Chosen by Terry Pratchett (the Discworld series)
Harry Flashman, that fictional reprobate - wenching and dodging his way through the major military engagements of the 19th century - is funnier, more honest and certainly less harmful than many of the real brave fools whose paths he double-crosses. You just can't help liking the amiable cad.
Chosen by Mary Hoffman (Stravaganza City of Flowers)
JRR Tolkien's The Lord of the Rings boasts the best white wizard in fiction - not morally ambiguous or neutral like Merlin, but not infallible either. Always wise when present and strangely comforting even when predicting doom and destruction.
Chosen by Judith Kerr (The Tiger Who Came to Tea)
There is something appealing about a man who stows his stethoscope under his top hat. Modest to a degree, Watson does not bother us with facts about himself, since Sherlock Holmes is so much more important. His only irritating habit is the way he refers to some of Holmes's cases without telling us the full story.
Chosen by Michael Marshall (The Lonely Dead)
Polymorphic, unpredictable, unaccountable; omnipotent yet negligent, kind yet vicious. Suitable to any genre or period. Able to hold centre stage in plot, or work subtly in deep background. Never requires a deus ex machina. A character you can immerse yourself in, forever.
See the full list at the link above.