Episodes suggesting a friendship
In "Getting Teardrop to Talk", Marker and Stapy are sitting next to each other, Marker than asks Stapy if he'll play Toss The Dirt with him, Stapy accepts to play. Later on when Foldy picks Stapy to be on her team, Marker decides to go on their team because of this.
In "Today's Very Special Episode", Stapy, Foldy, and Marker play Rock Paper Scissors. Marker didn't agree with the rules of the game, but Stapy urges him to play, so he does.
In "Questions Answered", Marker can be seen admiring Stapy's plan to cheat on the quiz.
In "This Episode Is About Basketball", Marker asks Stapy if he will play Eat The Dirt with him. Stapy politely declines his offer however.
Episodes suggesting a conflict
In "Today's Very Special Episode", Stapy found it "lame" when Marker said he didn't know how to play Rock Paper Scissors. Stapy was very frightened when Marker played Four while they were playing Rock Paper Scissors.
- Stapy appears to be Marker's best friend, but Foldy is Stapy's best friend.
- Stapy and Marker's game of Toss The Dirt was very crucial to Four (and X) visiting Goiky (or wherever BFB is set) as it sets up a butterfly effect which the game convinces Dora to go digging, she digs up some Cyanide, which Flower quickly caught and convinced Black Hole to open it, Four (who is accompanied by X) crushes Black Hole to a smaller size, saving everyone.