Contestants in BFDI was made in different "generations", as Cary called the, in the first challenge of BAGUETTE. There are 5 generations to this.
Generation 1, First BFDI drawing ever, 5th grade Firey Comics #1: Firey, Woody, Teardrop, Spongy, Match.
Generation 2, Firey Expansion: Pencil, Eraser, Bubble.
Generation 3, Firey Comics, #2 #3: Coiny, Tennis Ball, Flower, Ice Cube.
Generation 4, Total Firey Island: Blocky, Snowball, Rocky,
Generation 5, Battle For Dream Island: Needle, Pen, Leafy, Pin, David.