dʒˈuːnjɚ fˈɜːst ɐpˈɪɹd ɪnðə nˈaɪntiːnhˈʌndɹɪd fˈɪfti ʃˈɔːɹt pˈɑːp ˈɪm pˈɑːp! dᵻɹˈɛktᵻd baɪ ɹˈɑːbɚt mə kˈɪmsən, ænd ᵻvˈɛntʃuːəli ɐpˈɪɹd ɪn ɐ tˈoʊɾəl ʌv ɪlˈɛvən ʃˈɔːɹts ɪnðə ɡˈoʊldən ˈeɪdʒ.
Junior first appeared in the 1950 short Pop 'im Pop! directed by Robert McKimson, and eventually appeared in a total of 11 shorts in the Golden age.