Malfunction is very much the leader of the siblings. He's the oldest, but perhaps not the most protective. He cares deeply for his family and his main goal is to ensure their survival no matter what. Were Malfunction to have a family, he would do whatever it took to make sure they were happy and safe.
Defects: Colorblind, Epilepsy

Skid is the next oldest of the group. He is one of the more casual and content, but also with brains behind their operations. If the others get angry, Skid is the one to calm them all down and remind them of their motives. He is on the carefree side, preferring to go with the flow rather than make decisions.
Defects: Excessive salivation, Fused back legs

Smear is the quiet love of the group. He doesn't speak, but his siblings know his adoration and full heart without needing words. Smear is perhaps the most protective of the group, especially over their littlest sister. He is also the provider and reminder of the love they all share and he's always willing to show that whenever they need it.Defects: Mute, Clubfoot on right leg, Benign tumors over body

Wound is the baby of the group. She's innocent and gentle, with a doe-like spirit. She adores her big brothers and feels lost if she's separated without them. She has a soft heart for helpless or hopeless creatures, but at the same time she can be rather flighty. When it boils down to it, however, if her brothers are in danger, she can be fierce.
Defects: Allergic to sand, Hemophilia, Undeveloped right foreleg; Immortality