fˈɪzɪkli, dʒˈuːnjɚɹ ɪz ɐn ˌænθɹəpəmˈoːɹfɪk kˈɪʔn̩ bˈeɪsɪkli ɐ mˈɪnɪtʃɚ vˈɜːʒən ʌv hɪz fˈɑːðɚ, hˌævɪŋ ɐ lˈɑːɹdʒ hˈɛd ɪn pɹəpˈoːɹʃən tʊ ɐ smˈɔːl bˈɑːdi.
Physically, Junior is an anthropomorphic kitten - basically a miniature version of his father, having a large head in proportion to a small body.