Donbe & Hikari
Donbe & Hikari are a pair of characters debuting in Shin Onigashima. In the Kirby series, they only appear in Kirby's Dream Land 3.
Donbe is rather short. His outfit consists of a turquoise robe and his bluish-green hair covers his eyes. Hikari dwarfs him. Her outfit consists of a white robe and a red skirt. She has black hair held up in a ponytail.
Kirby's Dream Land 3
Donbe and his sister make their only appearance in the Kirby series in Kirby's Dream Land 3. The two of them get separated, and Hikari wants Kirby to return her brother to her side. Donbe & Hikari retain their 8-bit sprites from their classic game, just like Chao & Goku do.
Super Smash Bros. series
Super Smash Bros. Melee
In Super Smash Bros. Melee, Donbe & Hikari appear as a trophy, where their game was originally spelled "Shin Oni Ga Shima".
Super Smash Bros. Brawl
In Super Smash Bros. Brawl, Donbe appears solo as a sticker, and upon collection, his game title is unlocked under the Chronicle's Disk System section in the Japanese version.
Super Smash Bros. Ultimate
In Super Smash Bros. Ultimate, Donbe & Hikari appear as a spirit that depicts their "Zenpen" artwork for Shin Onigashima. The spirit can be enhanced into their "Kouhen" artwork, in which they appear older.
Donbe & Hikari (Shin Onigashima Kouhen) spirit in Super Smash Bros. Ultimate