Facts short crossword puzzle because I ran out of ideas :'(

1234
Across
  1. 3. the last name of your favorite person
  2. 4. if gabes dog is 8 years old, how old is the dog in dog years?
Down
  1. 1. what is spongebob? A kid, a teen, an adult, or an old dude?
  2. 2. this food can help your fingernails grow