Dave Seville (David Seville) • Role: Songwriter, music producer, manager, and loving adoptive father to the Chipmunks and legal guardian to the Chipettes. • Personality: Compassionate, responsible, and devoted, though frequently exasperated and short-tempered due to the daily chaos caused by Alvin. • Traits: Juggles the financial and emotional demands of raising three hyper-energetic chipmunks, plays piano and guitar, has a childhood phobia of snakes, and is universally known for his trademark stressed-out yell: "ALVINNN!!!"

• a singing, talking chipmunk thats under 1 foot tall since he is the size of a chipmunk • Role: Eldest brother, group leader, and lead singer. • Personality: Impulsive, charismatic, rebellious, and a thrill-seeker whose grand, mischievous schemes frequently land the group in trouble. • Traits: Competitive and ego-driven, yet deeply protective of his brothers; shares a classic frenemy-to-romance dynamic with Brittany Miller. • Signature Look: Red hoodie with a yellow "A". Brown fur and brown eyes.

• a singing, dancing chipmunk, under the size of one foot since he is the size of a real chipmunk • Role: Oldest/middle-brother dynamic, intellectual genius (IQ of 154), and instrumentalist. • Personality: Logical, responsible, witty, sarcastic, and bookish. He acts as the voice of reason and often corrects his brothers' mistakes. • Traits: Prone to stress or overthinking under pressure, loyal, and shares a quiet connection with Jeanette Miller. • Signature Look: Blue shirt or sweater paired with round glasses. Dark brown fur and blue eyes.

• a singing, talking chipmunk. Under 1 foot as he is the size of a real chipmunk • Role: Youngest brother and drummer. • Personality: Sweet, shy, sensitive, innocent, and deeply trusting. • Traits: A gentle foodie with a passion for cooking/baking, often caught as the swing vote between his brothers' conflicting ideas; shares an affinity with Eleanor Miller. • Signature Look: Green hoodie/shirt.

•A singing, talking chipmunk. Under 1 foot tall since shes the size of a real chipmunk • Role: Lead singer and self-appointed leader of the Chipettes. • Personality: Confident, ambitious, dramatic, vain, and fiercely fashion-conscious. • Traits: Stubborn and competitive (mirroring Alvin), prone to blowing minor things out of proportion, yet intensely protective of her sisters. • Signature Look: Pink outfits and light brown fur shaped in a ponytail and has blue eyes.

• a singing, talking chipmunk, under the size of 1 foot as she is the size of a real chipmunk • Role: Intellectual and Simon's female counterpart. • Personality: Intelligent, eco-conscious, bookish, and deeply kind, though traditionally shy, clumsy, or absent-minded in earlier series. • Traits: Matures into a braver, more grounded character in modern iterations while maintaining her sweet disposition. • Signature Look: Purple attire, glasses, and dark brown fur styled in a bun and purple eyes.

• A singing and talking chipmunk that is under 1 foot tall as she is the size of a real chipmunk. • Role: Youngest Chipette and athletic counterpart to Theodore. • Personality: Confident, down-to-earth, tomboyish, and motherly. • Traits: The most pragmatic and rational of the three sisters, a gifted athlete (especially in soccer), and a skilled cook. • Signature Look: Spring-green clothing and light brown fur that looks like pigtails.