Since it was barely featured, it's true name and statistics are unknown, it is however one of the few stands used by multiple people.
Appearance and Personality
Boomboom Family's Stand is a pretty small Stand with a vaguely humanoid upper body, it's head a small mouth with a long tongue, vaguely resembling one of an anteater. The top half of his head is open, revealing an eye-shaped object inside it. It's lower body is a mass of human legs, with some disproportionatly small, arranged in such a way that they resemble the legs of a crab, the imagery of many bodyparts may allude to the fact that it has several users.
Powers
Boomboom Family's Stand seems to have one power, that of magnetism, however, each member of the family uses their control over metal in a different way. Their magnetism is stronger when they are closer together, as well as when they are closer to their target.
Andre Boom Boom is the most powerful of the three, according to Benjamin, his ability allows him to turn any living being into a magnet by letting them touch any part of him, this includes a few drops of blood. He can magnetize several people as once and they, and the metal objects near them, are attracted to eachother, this magnetism is so powerful that their bodies will rip themselves appart.
L.A. Boom Boom is the most combat-oriented out of the three of them, and has the ability to manipulate Iron Sand, so he can immobilize his targets, he is able to attract small metal objects as well. Lastly, he is able to kill a person by manipulating the iron particles in their blood to suck out their blood.
Benjamin Boom Boom can let metal objects sink into his skin to replicate the appearance of another people, as well as increasing his defense. He can also spawn metal blades from his body after he let metal objects sink into it. Lastly, he can make Metal Objects shrink by removing iron particles from it.