Arthur Wiki
"Thora's brother 3" is not an official name.
Thora's brother 3
Thora's Brother 3.png
Gender Male
Animal Aardvark
Family *Thora's Father (father)
Cartoon debut "Clarissa is Cracked"

"Thora's brother 3" is one of Grandma Thora's three brothers. In a flashback in "Clarissa is Cracked", he asks Thora if he could hold Clarissa. After he cleaned his dirty hands by wiping them on his trousers, Thora allowed him to hold the doll.