Bubble/Relationships/Coiny

In Sweet Tooth, Bubble vents to Pencil and Match that Coiny's dirt cake got a better score than hers. In Insectophobe's Nightmare, in reaction to Coiny being disappointed that he'd no longer be on the larger team, Bubble had a vengeful expression.

In Lofty, Bubble is among the crowd that laughs in the faces of Golf Ball, Tennis Ball, Firey, Coiny, and Rocky.

In A Leg Up in the Race, Bubble is once again among the crowd that laughs in the faces of the losers, Tennis Ball, Firey, and Coiny. However, this time, she just smiles instead of laughing. In Hurtful!, Bubble makes a dirt cake, like Coiny did.

In Yeah, Who? I Wanna Know, when he finds out that contestants not present may not compete, Coiny sarcastically remarks that it's unfortunate.

In Zeeky Boogy Doog, Coiny recovers Bubble, along with Bomby, Rocky, and Spongy, and attempts to recover Book, who is not dead.

In Get in the Van, Bubble refers to the explosion from BFDIA 4 as "Coiny's Explosion" despite the fact that Bomby was the one who exploded.