1) Linus is a perfectionist Thaddeus is a little careless 2) Linus is quite uptight Thaddeus is more laid back and maybe naive 3) Linus cares about his brother Thaddeus is quite immature 4) Linus disregards his brother's feelings Thaddeus has a sense of self-identity 5) Linus has a sense of affection for his little brother Thaddeus is a typical little brother
