Episodes suggesting a friendship
In "Getting Teardrop to Talk", when they are joining teams, Foldy says Stapy has to be on her team. Then, they are seen playing the game Rock Paper Scissors. When Foldy dies due to the sharp rotor of the basket, Stapy seems angry because she got killed.
In "Lick Your Way to Freedom", Stapy yelled at Four, demanding for Foldy to be revived. Later he and Marker kill Lollipop for not being Foldy after freeing her from a jawbreaker. Later when Foldy does come back, he asks her why she looks so steamed and she states that she saw Liy. Stapy says "Ugh" in disgust.
In "Fortunate Ben", Foldy and Stapy smile happily together after Liy was eliminated.
In "Enter the Exit", Stapy wanted to see Foldy before he was eliminated. However, Clock informs Four that Stapy was eliminated. Despite his pleas, Stapy gets sucked up by Four without seeing Foldy. Later, when Foldy found out Stapy was missing, she asked where he was. Eraser showed her what happened, and Foldy got extremely mad at Match.
In "Get to the Top in 500 Steps", when Four says that an eliminated contestant is going to rejoin, Foldy says she hopes it's Stapy. Just how much Foldy cares about Stapy is shown during the contest. Foldy wants to make iance lose in order to avenge her best friend, and struggles uncharacteristically violently with Flower, who is a member of that team, at the top of the staircase.
In "The Escape from Four", Stapy calls out to Foldy to help him before he gets sucked back into the EXIT. Foldy isn't able to reach him before he's pulled back into Spongy and feels bad for not being able to help him.
In "You Know Those Buttons Don't Do Anything, Right?", Foldy gets excited when she hears the name Tapey, as it sounds similar to Stapy, and is disappointed when Basketball corrects her mishearing.
Episodes suggesting a conflict
In "Today's Very Special Episode", Foldy gets minorly irritated with Stapy after Stapy says that Marker not knowing how to play Rock Paper Scissors was lame. This was likely meant to show off their differences in personality.
- They are friends, probably due to the fact that both of them are stationary material.
- It could also be because they both were in "BFDI APPISIOTE 225555555!!!!!".
- They often play Rock Paper Scissors.
- Despite the fact that Foldy and Stapy are best friends, they are shown to actually be complete opposites, as:
- Foldy is armless but has legs. Stapy is legless but has arms.
- Foldy is female, and Stapy is male.
- Foldy is a shade of blue (light teal specifically) and Stapy is a shade of red (plus silver).
- Foldy is "one of the lightest" while Stapy is "one of the heaviest".
- Foldy is vulnerable to staples, while Stapy himself is a stapler.
- Foldy's original look was white, while Stapy's original look was black.
- Foldy got the least votes in "This Episode Is About Basketball", while Stapy got the most.
- Foldy is the first "BFDI APPISIOTE 225555555!!!!!" character to appear in BFB 1, while Stapy is the last.