Serenia's little brother, he is the one who revealed to Serenia that she has siblings.

WY: WY is Serenia's little sister, WY and Serenia met when she traveled to australia.

Kugelmugel:Kugelmugel is Serenia's other little brother, the two never had the chance to meet, until he went to the world meeting with his brother sealand, there he met Serenia, the two hit it off very well.

Kilala: Kilala was a female white wolf cub with a black cresent moon shaped into her fur on her fourhead, when serenia was bombed she, her brother and two snow tiger cubs lost both mothers, Serenia took them all in when she found the babies. when the pictonions attacked her, her brother and the snow cubs were turned into pictonions and were unable to changeback sending them to the planet Picto, never to be seen again.
Herona:Herona is a white male snow tiger cub who lost his mother in the serenia bombing, the story is the same as Kilalas.
Nomura: Nomura is a black male wolf whoes story is the same as his sister Kilala.
Sesa: Sesa is a black female snow tiger with a white cresent moon shaped into her fur on her fourhead, her story is the same as her brother, Nomura.

Serenicat: Serenicat is part of the nekotalia idea, she has dark brown fur and a purple collar with a blue flower that has a yellow centre, Serenicat was found by Serenia while she was still a kitten, since she is the cat personification of Serenia she lives for as long as Serenia