It is not required, but anything you can do to brighten a Birthday Villager's Day is wonderful.
Some ideas:
Each name is linked to their profile, where you can leave a Happy Birthday Comment!
Send a Happy Birthday PM!
You can include the following images or find/make one of your own!

[img]http://s.cdn.gaiaonline.com/images/thumbnails/3e87e27b560f.png[/img]

[img]http://s.cdn.gaiaonline.com/images/thumbnails/7817124298a6dd.png[/img]

[img]http://s.cdn.gaiaonline.com/images/thumbnails/3f08e1dc9a8283.png[/img]

[img]http://s.cdn.gaiaonline.com/images/thumbnails/b048147c9a8281.png[/img]
from cute-wallpaper.com

[img]http://www.cute-wallpaper.com/iconspics/Cake_for_birthday.jpg[/img]

[IMG]http://i74.photobucket.com/albums/i255/2JR/OV/BirthdayBalloons_zps58e957e9.png[/IMG]

[IMG]http://i74.photobucket.com/albums/i255/2JR/OV/BirthdayStars_zps29583acc.png[/IMG]
Use the quotes below to wish them Happy Birthday in this thread!
[quote="Agent Rissa"][/quote][quote="nadipai"][/quote][quote="Ginyuri"][/quote][quote="Morrigan Skylar"][/quote]