 Peter Lawrence described Jonny as a " hero in training " on the cusp of adulthood . He remarked that Jonny possessed " a straight @-@ ahead , right @-@ on attitude " free of introspection or self @-@ doubt . At age 14 , Jonny was a confident problem @-@ solver prone to getting in trouble . Writers framed him as more an intuitive thinker than an intellectual , and created tension by contrasting his father 's academic leanings with Jonny 's affinity for Race 's daring lifestyle . Jonny inherited his father 's driving curiosity ( rendering him a " walking query " ) , as well as his mother 's " restless , adventurous spirit " . Takashi designed Jonny to be lean , wiry , athletic , and coordinated . Creative directors centered episodes around Jonny ; Seibert summarized the shift : 
