Drawcia's pet dragon?

apparently, on the Kirby Canvas Curse Concept Art, shows that a 3 headed dragon was suppose to appear on the game as a boss. I made these sprites sheet using the computer virus dragon as a base to represent this unused dragon. i have a theory on what role this dragon would've had in the game.

theory - this boss was suppose to appear after you finished the 3 world from wonder lilane. seeing that it's the only level that doesn't have a boss. according to the concept art. this dragon was suppose to come out of a painting like the other bosses and that this dragon was able to shoot fire balls in the shape of dark matter.

according to the concept art, this fight was suppose to be identical to drawcia's fight, rather than being a minigame like the others. this could also mean that at one point, Krako, Krako Jr., King Dedede and Paint Roller were suppose to fight in combat like drawcia as well. 

but if they and this dragon were suppose to be bosses, who would the other 2 bosses suppose to be? I would say that Meta Knight, Dark Matter, Zero or even nightmare had potential in being the other bosses, and that when you defeated them, they would become playable balls. since Dark Matter, Zero and Nightmare were meant to appear as playable characters, but were cut in the final game.

why did they use those 3 bosses as minigames? likely because the developers wanted to release the game as early as possible. so they cut the actual boss fight for the minigames, the only boss fight being Drawcia. 

why do i call it Drawcia's Pet Dragon? because it comes from a painting made by drawcia and was meant to be new in the series. this boss likely was recycle for landia. but these 2 dragons weren't meant to be the same according to the concept art. 

in the description box, you can spot the dragon shooting dark matter fire balls while Kirby, Meta Knight, waddle dee, waddle doo and king dedede are shocked to see the dragon. while Drawcia and the Para Sorceress watched.
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characters and screenshot were made by nintendo hal laboratory.

Dragon sprites were edited by me.