Todd is the youngest and most impressionable member of the happy Flanders flock. When exposed to profanity (for example, from over the fence as Homer Simpson curses his way through mowing the lawn or making a doghouse), little Todd starts to curse a blue streak himself ("I don't want to eat my damn vegetables"). When Moe Szyslak loses his temper at Uncle Moe's Family Feedbag restaurant, Todd responds with "Ow, my freaking ears!" Whether due to immaturity or relentless sheltering by his parents, whenever Todd comes into contact with anything outside of his family and their pious ways (like the time he was tricked into eating a Pixie Stick by Bart Simpson), he turns nasty, calling his brother a "zitface", much to the delight of Bart.
Todd's proudest moments have been when he tied with Bart in the mini-golf championship and when he portrayed Jesus in the Springfield Christmas Pageant. Todd can play the violin quite well, and is a part of the Springfield Elementary band. He is also prone to bedwetting