Very hard to choose but I'll pick a few faves.
Earth Ponies:
G1-Ice Crystal, Mirror Mirror, Baby Tic Tac Toe, Baby Racer, Sunlight, Shady, Ringlets, Seashell
G2-Eve, Babies Nosy and Click, Prince Firefly, Princess Crystal, Lady Waterfall, Miss Painter, Hip Holly
G3-Tropical Surprise, Blushie, Pretty Pop, Baby Sandy Island, Waterfire
G4-Sapphire Joy, Sapphire Shores, Twilight Sky
Pegasus:
G1-Masquerade, Dancing Butterflies, Twilight, Starglow, Wind Whistler
G3-Star Catcher, Aurora Mist, Royal Rose, Baby Honoluloo, Twinkle Bloom, Star Flite, Heart Brite, Thistle Whistle, Silver Glow
G4-Rainbowdash, Merry May,
Pony, Thunder Lane
Unicorns:
G1-Fizzy, Dazzleglow, MO Starhopper, Sparkle Baby Gusty, SS Gusty, Galaxy, Ribbon, The Moondancers, Twilight
G2-Copper Glow
G3-Sunrise Song, Cheerilee, Valentine Sweetie Belle
G4-Lira Heartstrings, Starlight Glimmer, Sunset Shimmer, Diamond Mint, Seaswirl, Magnet Bolt, Comet Tail
Sea Ponies: Baby Sea shimmer, Baby Beachcomber, Baby Dipper, Sea Mist, Seawinkle, Wave Jumper, White Cap
Flutter Ponies: Tropical Surprise, Wind Drifter, Morning Glory, Peach Blossom, Forget Me Not, Hollywood, Yum Yum
Wingers: Cool Breeze, High Flier, Glow, Moon Jumper, Flurry
Merponies:
G1-Baby Pearly
G4-Baby Lily Drop, Queen Novo, Princess Skystar, Baby Ocean Gem, Haven Bay
Breezies: Azalea Bloom, Zippy Zinnia, Meadow Moon, Orange Blossom
Bat Pony
Unipegs: Princess Luna, Water Cutie Princess Celestia, Princess Sterling, Nightmare Moon