Is it cute to call a boy -chan?

Question:

Answer:

You can call anybody (anything!) with -chan as long as you think him/her "cute" regardless of their gender or age.
Dai-chan (Daisuke) / Nana-chan (Nanako) / Sato-chan (Mr. Sato) / toh-chan (daddy) / oba-chan (aunt or a woman next door) / obaa-chan (grandmother) / neko-chan (cat!!) / sakana-chan (fish!!) .....
Wherever you go in Japan, Chan is Everywhere!