Mjölna

Mjölna is the placeholder name of a female background Earth pony who appears in multiple episodes throughout the series. She has a tan brown coat, light yellow mane and tail, light gold eyes, and a cutie mark of a hammer or lightning bolt, a sandwich, a green laurel wreath, three raindrops, or a rainbow.

Design
Mjölna's design varies depending on the angle she is shown from, similarly to Silver Spanner.

From the front, she shares her design with Berryshine, Cherry Berry, Berry Dreams, Charged Up, "Oakey Doke", "Elphaba Trot", "Jubileena", "Bitta Blues", S04E06 Unnamed Earth Mare #2, S04E14 Unnamed Earth Mare #2, S04E20 Unnamed Earth Mare #2, S04E22 Unnamed Earth Mare #1, S04E22 Unnamed Earth Mare #15, S04E24 Unnamed Earth Mare #2, S04E24 Unnamed Earth Mare #5, and S04E26 Unnamed Earth Mare #1, and shares her mane and tail style with Cherry Spices and "Northern Lights".

From the back, she shares her design with "Forest Spirit" and shares her mane and tail style with Rainbowshine, Orange Swirl, Sugar Twist, "Candy Floss", "Juicy Fruit", "Blueberry Punch", "Wing Wishes", "Slipstream", "Dust Devil", S04E08 Unnamed Pegasus Mare #2, S04E14 Unnamed Pegasus Mare #1, S04E24 Unnamed Pegasus Mare #4, S04E26 Unnamed Pegasus Mare #1.

Depiction in the series
Mjölna usually appears in crowd shots in the series, usually from the back except for one shot in The Super Speedy Cider Squeezy 6000 and one shot in Pinkie Pride.

Season one
She first appears at the Summer Sun Celebration in Friendship is Magic, part 1, listening to Mayor Mare welcome Princess Celestia. She appears at Applejack's appreciation party in Applebuck Season, Trixie's magic show in Boast Busters, and in the town square just before Winter Wrap Up begins in Winter Wrap Up.

Mjölna watches the school talent show in The Show Stoppers (briefly with light blue eyes), and she appears at the Summer Sun Celebration in Twilight Sparkle's flashback in The Cutie Mark Chronicles.

Season two
Mjölna cheers for Rainbow Dash in The Mysterious Mare Do Well. In The Super Speedy Cider Squeezy 6000, she is seen from the front for the first time during The Flim Flam Brothers and she appears in several additional shots throughout the episode. In A Friend in Deed, she briefly appears during Smile Song.

Season three
Mjölna appears in the town square in Magic Duel.

Season four
Mjölna attends the Summer Sun Celebration at the end of Princess Twilight Sparkle - Part 2. She is seen from the front during Cheese Confesses in Pinkie Pride. She appears at the Ponyville Days festival in Simple Ways, in the Breezie-welcoming crowd in It Ain't Easy Being Breezies, during Flim Flam Miracle Curative Tonic in Leap of Faith (with a green laurel wreath cutie mark), and in several crowd shots in Trade Ya! (once with a cutie mark of three raindrops and later with a cutie mark of a rainbow).

Appearances
Times are approximate.