For romance, I recommend Sukitte ii na yo (Say I love you), it's a romance anime that deals with sensitive topics, and it's also very sweet. Another anime is called Isshuukan Friends (One Week Friends), it's a very cute and innocent anime (except for a few of the last episodes which go a bit...
Haruhi Suzumiya, A Certain Scientific Railgun/Magical Index, Noragami, Clannad, My Teen Romantic Comedy SNAFU, One Piece, Steins;Gate, AnoHana, Your Lie In April, and Isshuukan Friends are my favorites.
Phineas and Ferb, and Spongebob Squarepants (though I still watch it now, so it's not only a childhood favorite). When I was young, I was obsessed with Dragon Ball Z and Ben 10, so those were my favorites at that time.