Larry Koopa is the youngest of the Koopalings. He has blue hair which is in a mohawk-like style, and is one of the smallest Koopalings. He had a blue shell. The top half of his face is dark green. He has a blue star on the side of his head, similar to the one on Morton's face. His head is oval-shaped, and bears two fangs on the sides of his mouth. He has large oval light blue eyes, and his stomach and feet are padded. He is characterized as being a big eater who is sarcastic and has an overall typical tough tween boy attitude. He is cocky

Morton Koopa Jr. is a member of the Koopalings and a supporting antagonist. He is the only Koopaling who has brown skin instead of yellow. His head is white with a black star on his left side. His snout is a beige color like his brothers while his shell is black and his stomach and feet are padded. He is loud and chatty

Wendy O. Koopa is one of the seven Koopalinga, and a supporting antagonist and boss. She is also the only female member of the Koopalings. She has a pink shell, and a pink bow with white polka dots on her head. She also wears large round yellow bracelets and a red bead necklace. She also has big pink lips. She also has a padded stomach, she is the only Koopaling who wears shoes, the others are barefooted, that confirms that she has padded feet like her brothers. She is spoiled and dramatic

Iggy Koopa is a supporting antagonist. He wears large black glasses and has green hair. He is also the slimmest and wildest of the Koopalings. His shell is green. He gained a green palm tree style mohawk. He has the same yellow skin tone as the other Koopalings and his stomach and feet are padded. Around his eyes are tall, blue rings, whether they are part of his eyes or a reflection on his glasses is yet to be confirmed. Iggy is typically characterized as being extremely sarcastic, insane, almost never serious, always cracking jokes or making jokes out of everything and being weird overall. But despite this, Iggy is one of the smartest of the Koopalings, even creating all of the robots that he and his brothers used in Yoshi's Safari. He is crazed and hyperactive. He loves Lemmy as a brother^^

Roy Koopalings is one of the largest members of the Koopalings, and a supporting antagonist. He is the most muscular Koopaling next to Morton. He is always shown wearing a pair of red sunglasses, he has a shade of purple shell. He has a pink head, and is the only Koopaling to have one. Like most ofnthe Koopalings he has visible fangs in the corners of his mouth; thrh are bigger than his siblings' fangs. He is a tough bully. He can handle Iggy when Iggy has a crush on someone

Lemmy Koopa is the small, playful, wacky member of the Koopalings, and a supporting antagonist. He is an avid fan of any circus related. He has the same yellow and tan skin complexion, as well as a green head and spiked shell (though it's colored orange), like most of the other Koopalings, although he has a ponytail and a distinctive pair of orange bars on the left-side of. He has large oval eyes that are often crossed or even pointing in opposite directions. Lemmy's head is oval-shaped and disproportionately large compared to his small body. Lemmy is the smallest of all the Koopalings. He wears the same spiked metal cuffs as his brothers and his stomach and feet are padded. Lemmy is described as a fun-loving child with some immature traits. He is playful and circus-like. He loves Iggy as a brother^^

Ludwig Von Koopa is a major antagonist. He is the eldest and self-proclaimed leader of the seven Koopalings. He is pompous and smart