My friend from WDW’s list of current character spots -

MAIN STREET, U.S.A.

Pluto
Chip & Dale
Daisy
Snow White
Mary Poppins
Pinocchio

ADVENTURELAND

Lilo (Landing near Adventureland entrance)
Stitch (Landing near Adventureland entrance)
Aladdin (Agrabah Bazaar)
Jasmine (Agrabah Bazaar)
Captain Jack Sparrow – in show only (Near Pirates)

FRONTIERLAND

Woody (near Splash Mountain)
Jessie (near Splash Mountain)
Donald (near Diamond Horseshoe)
Goofy (near Diamond Horseshoe)

LIBERTY SQUARE

Tiana (Coming Soon!)
Prince Naveen (Coming Soon!)

FANTASYLAND

Ariel (Ariel’s Grotto)
Peter Pan (Near Tink’s Treasures)
Wendy – sometimes with Peter (Near Tink’s Treasures)
Fairy Godmother (behind the castle)
Pooh (Pooh’s Playful Spot)
Tigger (Pooh’s Playful Spot)
Belle in blue dress (Fairytale Garden after Story Time)
Tremaines (Fairytale Garden)
Alice (Mad Tea Party)
White Rabitt (Mad Tea Party)

TOONTOWN FAIR

Cinderella (Princess Room)
Aurora (Princess Room)
Belle in gold dress (Princess Room)

Tinker Bell (Pixie Hollow)
Silvermist (Pixie Hollow)
Rosetta (Pixie Hollow)
Fawn (Pixie Hollow)
Iridessa – Probably Leaving Soon! (Pixie Hollow)
Terrence – Probably Coming Soon! (Pixie Hollow)
Mickey Mouse (Judge’s Tent)
Minnie Mouse (Judge’s Tent)
Various characters at random times (Toontown Teardrop by the train station)

TOMORROWLAND

Buzz Lightyear (Near Buzz Lightyear Space Ranger Spin)

CHARACTER DINING

Crystal Palace – Pooh, Tigger, Eeyore, Piglet

Cinderella’s Royal Table Breakfast & Lunch – Cinderella downstairs and various princesses upstairs (most common are Belle in blue dress, Aurora, Snow White, Jasmine)
Cinderella’s Royal Table – Cinderella upstairs and Fairy Godmother and mice put on a show

CHARACTERS IN MOVE IT, SHAKE IT, CELEBRATE IT

Mickey Mouse
Minnie Mouse
Goofy
Donald Duck
Woody
Jessie
Lumiere
Baloo
King Louie
Genie
Mr. Incredible
Frozone
Sebastian
Chip
Dale
Mad Hatter

CHARACTERS IN CELEBRATE A DREAM COME TRUE PARADE

Pluto
Chip
Dale
Mickey Mouse
Minnie Mouse

Foulfellow
Gideon
Gepetto
Jiminy Crickett
Pinocchio
Snow White
Snow Prince
Dopey

Abu
Genie
Jafar
Aladdin
Mary Poppins
Bert

Captain Hook
Mr. Smee
Tweedle Dee
Tweedle Dum
Peter Pan
Wendy
Alice
Mad Hatter

Suzy
Perla
Lady Tremaine
Drizella
Anastasia
Fairy Godmother
Cinderella
Prince Charming
Belle
Beast
Ariel
Prince Eric

Stitch
Lilo
Woody
Jessie
King Louie
Baloo
Donald Duck
Goofy

CHARACTERS IN SPECTROMAGIC

Mickey Mouse
Genie
Goofy
Chip
Dale

Flora
Fauna
Merryweather

Ariel
Flounder – animatronic
Sebastian – animatronic
King Triton

Various Fantasia charaters

Pluto
Brer Bear
Big Bad Wolf
Three Little Pigs
Gus
Jaq
Cinderella
Prince Charming
Alice
White Rabbit
Queen of Hearts
Mary Poppins
Peter Pan
Mr. Smee
Snow White
7 Dwarfs
Evil Queen
Captain Hook
Pinocchio
Gepetto
Minnie Mouse
Donald Duck
Jiminy Crickett – animatronic