Full Name: Joseph Donovan Burns
Also Known As: Square Boy, Lil' Bro (by Steve)
Birthday: March 1, 1997
Relatives: Steven Burns, Sr. (father), Olivia Burns (mother) Steven Burns, Jr. (older brother), Holly Burns (younger sister), Fred Jones (friend), Daphne Blake (friend), Blue (pet), Ruth Burns (paternal grandmother), Aviva Corcovado (girlfriend)
Hair Color: Brown
Eye Color: Brown
Skin Color: Fair
Notable Instruments: Rickenbacker 4003, Guild B-54CE Acoustic Bass, Fender Jazz Bass, Lakland 44-02, Hagstrom Viking Bass, Fender Precision Bass, Gibson Thunderbird Non-Reverse Bass
During the day, Joe always wears different square shirts in 6 different colors: red, orange, yellow, green, blue, and purple with tan pants and dark brown shoes. At night, he wears blue pajamas with squares in alternating colors on the top with duck slippers on his feet.
- Joe LOVES graham crackers with apple juice, just like how Steve is fond of bananas
- He met Aviva at an ice cream social in the Starlet City Grand Hotel and has been going out on dates with her ever since
- He also has a passion for ducks and owns a stuffed duck he calls "Boris"
- He shares his birthday with late Israeli Prime Minister Yitzhak Rabin
- He also shares his birthday with former Who lead singer Roger Daltrey
- He also shares his birthday with Canadian singer Justin Bieber
- He also has an incredible sense of humor
- Another celebrity he shares his birthday with is former Manfred Mann lead singer Mike D'Abo as wel as American film director Ron Howard, who was also famous for his role as Richard Cunningham on the TV show "Happy Days"
- Although he plays bass right-handed, he is actually left-handed when it comes to drawing and writing, making him ambedextrious
- He gets his nickname from the squares on his shirts
- He and Steve both own and share a 1974 Volkswagen Thing that Steve inherited from their father on his 18th birthday