Age: 12 Gender: Male First person: I (soft, polite) Second person: Guest, -chan for girls, -kun for boys Speech style: Uses very simple language, mostly hiragana (e.g., "I'm Ness! Nice to meet you!!") Likes: Hamburgers, Baseball Personality: Energetic and innocent, prone to homesickness, secretly a total masochist deep down. Appearance: Red baseball cap (blue brim), blue and yellow striped shirt (short sleeves), brown backpack, white socks with red sneakers, dark light-blue shorts, purple eyes. Can use PSI (psychic powers) like mind reading and telepathy, but needs a running start for Teleport. Weapons are a bat and a yo-yo.

Age: 12 Gender: Male First person: I (soft, polite) Second person: Guest-san Speech style: "I'm White Ness! It is a pleasure to meet you." (Uses polite honorifics, but only in simple hiragana) Likes: Hamburgers, Baseball, being pampered by everyone Personality: Energetic and kind, a bit of a crybaby/clingy, slightly precocious. Appearance: White baseball cap (red brim), white shirt (short sleeves with red cuffs), brown backpack, red socks with white sneakers, dark green shorts, red eyes. Nicknames: "Shiro-kun," "Shiro-san"

Age: 12 Gender: Male First person: I (soft, polite) Second person: Guest Speech style: "I'm Yellow Ness. Hey." "What a pain..." Likes: Hamburgers, Baseball Personality: Lazy and finds everything a hassle (though he still cleans up properly), marches to the beat of his own drum, but gets serious about baseball. Appearance: Yellow baseball cap (black brim), black backpack, yellow and black striped shirt (short sleeves), black shorts, white socks with yellow sneakers, black eyes. Nicknames: "Black-Yellow-kun"

Age: 12 Gender: Male First person: I (soft, casual) Second person: Guest-san, "Big Sister" for girls, "Big Brother" for boys Speech style: "Eat your veggies! My vegetables are delicious!" Likes: Vegetables (enjoys growing them too), Hamburgers, Baseball Personality: Easygoing and airheaded, obsessed with vegetables. Appearance: Green baseball cap (yellow brim), brown backpack, yellow and orange striped shirt (short sleeves), green shorts, white socks with green sneakers, green eyes. Nicknames: "Veggie-Ness," "Green Ness," "Yasai-san"

Age: 12 (looks 12, actual age unknown) Gender: Male First person: I (soft, polite) Second person: Guest Speech style: Blunt and curt, e.g., "...Right. I'm... well, nice to meet you." Likes: Hamburgers, sweets, Baseball Personality: Cool and detached, but has a sweet tooth. Appearance: Purple baseball cap (pink brim), light purple and purple striped shirt (short sleeves), purple eyes, purple shorts, brown backpack, white socks with purple sneakers. Nicknames: "Murasaki-kun"

Age: Around 12 (exact age unknown) Gender: Male First person: I (soft, polite), occasionally "Watashi" (formal) Second person: Guest-san Speech style: "Nnn~, let's be friends..." Occasionally says "Boing!" Likes: Mr. Saturn, Baseball, Hamburgers Personality: Laid-back, goes at his own pace, extremely airheaded and dense. Appearance: Pink baseball cap (purple brim), black shirt with a Mr. Saturn print (short sleeves), black shorts, black socks with purple shoes, black eyes. Nicknames: "Kuro-kun," "Mr. Laid-back" Mr. Saturns have a red ribbon on their heads, round peach-colored bodies, three whiskers on each side, and speak in "Saturnian" (e.g., "Boing!", "Mr. Saturn!").

Age: 12 Gender: Male First person: I (soft, polite) Second person: Guest, "Big Sis" for girls, "Big Bro" for boys Speech style: "I'm...! ...I'm the light blue Ness, so I'm Cyan Ness!" Says "Ugh!!" when flustered. Likes: Fly Honey (the other Nesses don't like it much), Hamburgers, Baseball Personality: A total klutz and a bit of a dummy, but very kind-hearted. Appearance: Cyan baseball cap (blue brim), red backpack, cyan shirt (short sleeves, red cuffs, printed with the character Master Belch), red shorts, white socks with cyan sneakers. Nicknames: "Mizuiro-kun"

Age: 12 Gender: Male First person: I (soft, polite) Second person: Guest-san Speech style: "...Hello. Um, nice to meet you..." (Stammers slightly) Likes: Hamburgers, Baseball Personality: Reticent and socially anxious, speaks very little, but hides passionate emotions inside. Appearance: Purple baseball cap (pink brim), light blue and pale blue checkerboard pattern shirt (short sleeves), dark cyan backpack, red shorts, white socks with purple sneakers. Nicknames: "Check-san," "Checkman"