Keroppi's Friends and Family

• Pikki - Keroppi's triplet sister. She helps out at their mother's restaurant.
• Koroppi - The youngest of the triplets. Everyone mixes him up with Keroppi. (In North American dubs, his name is Curtis).
• Keroppa - Keroppi's father. He's a doctor and can cure anyone.
• Keroma - Keroppi's mother. She is a very good cook and owns a small restaurant.
• Kerojee - Keroppi's grandpa.
• Kerobah - Keroppi's grandma.
• Keroleen - Keroppi's girlfriend, and Keroppi's only girl, is a natural peacemaker. She likes collecting Clothes and cooking.

• Ganta - Keroppi's biggest-sized friend, who can transform himself into a rock. Though he thinks he is strong, he is afraid of the dark and heights.

• Kyorosuke - Keroppi's tallest and thinnest friend, can see things over half a mile away. He can swim underwater.
• Noberun - He is a deep thinker and loves doing experiments. He is not much of an athlete.
• Keroppe - Does not live in the Donut Pond originally and is a target of many Practical jokes.
• Denden - A Snail and Keroppi's good friend.
• Teruteru - A sunshine doll who can predict Weather. Her name is Ruby in the North American dubs.
• Chippi - Keroppi's little cousin, who loves strawberries.