According to the book, everyone loves Sigge.

Also Cleo's horse

My boyfriend, he is 13 years old, my partner is a Friesian horse named Cleo.

Brunette, 13 years old, Agnes's partner, classmate of Sarah, Jenny, and Yussan

Also 9 years old, light brown hair, horse Razinya, in the same class as Elina, Hanna and Matisse, Linda's partner

Mattis' partner, she's also 13 years old, has light brown hair, and is on horse Sam, in the same class as Jenny and Yussan

She is also 9 years old, she is also a classmate of Elina and Hannah, her horse is Sam, she has brown hair

Hannah's partner, also 13, is in the same class as Yussan, and they have a horse named Molly, who has brown hair.

She is 9 years old, she studies in the same class with Elina, she has black hair, her horse is Molly

She is 14 years old and is paired with Elina, their horse is Sigge, a blonde

A girl who works at the Shalun equestrian club is 9 years old. Her partner from the older girls is Yussan, their horse is Sigge, and she has a younger sister, Linnea, she is 5 years old and blonde.

A woman of about 37 years old, the owner of the Shalun equestrian club, has a son named Lin, a fair-haired horse named Bacardi.