Tinky Winky, or Tinky, is a cheerful purple furred male teletubby. He is part of the main 4 as he carries around a red coin purse he stuffs food into. His antenna symbol at the top of his head is in the shape of an upside down triangle. Tinky Winky is the oldest.

Dipsy is a green furred male teletubby who is the most confident of the main 4. Dipsy is usually chilling around petting the rabbits hopping around and he loves playing with the main 4 more than Po does. He has an antenna symbol in the form of a line with a sharp end at the end that pokes out the head.

Laa Laa is a shy yellow furred female teletubby. She was made 22 seconds before Dipsy in the teletubby pods, but yet she doesn't know she was made and not born because she is part of the main 4, and the main 4 doesn't know what other things are outside Mainland, as the main 4 only knows Mainland, the rabbits inside Mainland, eachother, the Tubbyland speakers, and Noo Noo. Laa Laa owns a big bouncy, orange ball. Laa Laa has Dipsys antenna symbol but at the middle of Laa Laas antenna symbol is where it curves into a circle before pointing back up.

Po is a tomboyish red furred female teletubby. She isn't fully tomboyish, but she can sometimes become tomboyish during bad situations or situations that Po is wary about. Po is the youngest of the main 4 as she tends to be underestimated by the rest of the main 4. Po is sometimes sweet and caring, but Laa Laa is more sweet and caring than Po. Po owns a pink and blue scooter that looks like what a toddler would ride. Po has an antenna symbol in the shape of an O.

Noo Noo is a blue box with mechanical eyes, a vacuum sucker for a mouth, and sentient AI inside. Noo Noo stays inside the tubbytronic dome because he honestly cannot go outside. He is the main 4s caretaker, as he knows about Guardian and Ron, but the government made a deal that noone else but him and thr government know about, and now Noo Noo agreed to not tell the main 4. Noo Noo speaks but he really just speaks professionally.

Ron is a grumpy blue furred teletubby who stays inside the lair Guardian is in. Ron calls Guardian 'white', but sometimes calls him 'idiot'. Ron wears a black baseball cap and he is male. Ron works as the technician for the lair. He has no antenna symbol.