05AB1E, 39 38 bytes

”‡ÍÊТ×myîºpaîºma”#„o€·À6×3и'!ª”㢔ìâ»

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”‡ÍÊТ×myîºpaîºma”                # compressed string "Baby Daddy Mommy Grandpa Grandma"
                  #               # split on spaces
„o€·                              # dictionary string "o do"
    À                             # rotated left: " doo"
     6×                           # string-repeat 6 times: " doo doo doo doo doo doo"
       3и                         # list-repeat 3 times
         '!ª                      # append "!" to that list
            ”ã¢”ì                 # prepend "Shark" to each element of that list
â                                 # cartesian product
 »                                # join by newlines
                                  # implicit output