This is an article about the interactions and relationships of Black Hole.
Black Hole is a calm and collected individual, never raising his voice. Valuing life, he is empathetic and patient even to those who act rude towards him.
Because of his extremely laid back personality, he's never been shown to get angry or hold any hard feelings towards anyone, even when they are rude or mean to him.
In "Get to the Top in 500 Steps", Black Hole saves Bomby from falling to his death twice. Later in What Do You Think of Roleplay?, Black Hole thought Bomby was going to thank him for saving his life twice, but instead, Bomby angrily demanded that Black Hole owes him a banana, since his first one was sucked into him.
Black Hole and Bottle both joined the same team with the goal of preventing death.
In "Today's Very Special Episode", Black Hole says he'll suck up the forks when Pen and Bottle ask him if he can.
In "Getting Teardrop to Talk", Flower asks Black Hole to help her open a jar of cyanide. He refuses at first, but Flower convinces him do that at the end. As a result, Balloony along with other characters get sucked into Black Hole and the plot of BFB starts.
In "Fortunate Ben", when Four tells the team to assemble or be dismembled, Black Hole says he has no limbs and wouldn't mind dismemberment. Four later obliterates Black Hole for flying in the contest.
In "Get to the Top in 500 Steps", Four threatens to obliterate the flyers if they participate in the contest, Black Hole included.
In Fortunate Ben, when Pie asks what Liy was even a switch for, Black Hole says he thought she was just light switch.
In "Why Would You Do This on a Swingset", Pen is sucked up and killed by Black Hole when a fork hits him.
In "Today's Very Special Episode", Pen is about to ask something to Black Hole, but Tree interrupts him. Later, Black Hole says he'll suck up the forks when Pen and Bottle ask him if he can.
In "This Episode Is About Basketball", Pen tries to use Black Hole to win by throwing balls at him.
Status: Minor friends
Black Hole is close friends with Pie as they both take preventing death very seriously.
In "Getting Teardrop to Talk", he wanted Pie to teach him how to prevent death, so they team up.
In "Fortunate Ben", they discuss what they thought Liy's switch does.
In "Get to the Top in 500 Steps", Black Hole swings Pie up to the top of the stairs so she can hit the button, making their team safe.
In "Fortunate Ben", the two and Pie talk about what they think Liy does as a light switch.
Black Hole and Remote are shown to be really good friends in the later episodes.
In "Get to the Top in 500 Steps", he shows Remote how to prevent death while simultaneously winning for their team.
In "What Do You Think of Roleplay?", they are both seen together with Remote smiling at him.
In "Why Would You Do This on a Swingset", Tree asks Black Hole to swirl them around, but Black Hole says that he can't push anything, but he can pull like there's no tomorrow. Black Hole pulls Death P.A.C.T.'s swing.
In "Today's Very Special Episode", when Tree asks Black Hole if he can draw, Black Hole tells he can't but he can form an accretion disk.
Status: Minor friends