Name: Gahariet Stavros Grossbill
Other Names: Grandpa Gareth, Gareth, Dr. Grossbill, grandpa (by his grandchildren), grandpops (by Ginny), Gath, Doc (by his friends), Chico (by Grandpa Gilbert)
Gender: Male
Residence: Griffinstone
Occupation: Librarian, Griffinstone’s Co-leader, doctor, psychologist (both retired)
Relatives: Grandma Genevieve (wife), unnamed daughters, unnamed son, unnamed son-in-law, Ginny (granddaughter), Gilon (grandson)
Likes: Learning, reading, poetry, soda, teasing his friends and family, Monday
Dislikes: Others criticizing his love for poetry
Age: 68
Personality: Smart, grumpy, creative, poetic, bright
Kind: Griffon
Distinctive features: Scars on the nape
Cause of scars: Scarred by Grandpa Gillan during a bar fight
Biggest Fears: Unknown
Marital status: Married

Grandpa Gareth is an old Griffon from Griffinstone and one of Grandpa Gruff’s best friends, along with the other elders of Griffinstone. He’s also the grandfather of Ginny and her little brother, Gilon, and father of his grandchildren’s mom, aunt, and uncle. He works as a librarian. Even though the Griffon Library is half-destroyed, until the Griffons collect enough bits to fix the town, that doesn’t stop him from working there with his family. He’s book smart and the brightest in his friend group (though not as down-to-earth as Gruncle Gonsod). He is an incredibly skilled pro scientist, mechanist, and mathematician. He loves taking opportunities to share his knowledge, which often leads to him saying things that his friends don’t understand (except for Grandpa Gyeong, and sometimes Grandpa Gruff). Having read many literature books, Gareth has developed a strange quirk of speaking in poetry at times, which his friends consider to be his most annoying habit, saying “literature messes with his tongue”. He cares deeply for his family, cracking jokes, and coming up with fun rhymes for his grandchildren to remember important things. He also finds amusement in teasing his friends. He mostly helps Griffons with their daily life problems by giving them books and advice based on their occasions, that may assist them in finding a solution. The most common occasions are about finding books about recipes and plumbing books. He also helps Grandpa Gruff with the cubs’ education at times, mostly by explaining the basics of math, physics and grammar (since Gruff is a bit illiterate), which implies he has great teaching skills. Everything else is left on Grandpa Gruff.