Adeleine, also known as Ado,is a character from the Kirby series with human like qualities, the only one of that type who lives on Pop Star. She is a painter.
Kirby's Dream Land 3
She first appeared in Kirby's Dream Land 3, where her appears as the boss of level 4. During the fight, she'll paint four different bosses that'll come to life and fight the pink protagonist Kirby, including Ice Dragon, Sweet Stuff, Mr. Shine and Mr. Bright, and Kracko. Once she defeated all of those bosses, Kirby would then be required to take on Ado. This, however, is not a chore, as one hit will take Ado down.
Kirby 64: The Crystal Shards
Her second appearance was in Kirby 64: The Crystal Shards for the Nintendo 64, where she was possessed by Dark Matter and then had to be freed by Kirby. Once Kirby was able to free her, she traveled along with the protagonist throughout the rest of the game. She'd help him out by painting many items which would then become real, such as health items.
Kirby Star Allies
She makes a third appearance in Kirby Star Allies where she is one of the three Dream Friend as part of the second wave of Dream Friends. She act as a duo with Ribbon and uses her painting as the main part of her moveset.