The smiley is on the decline, victim to automatically generated graphical emoticons, emoji and, worse, laziness. Let's take the smiley back. Copy and paste as you please. (Warning: If some don't display correctly, try a different web browser.)
1.
:-)
*This one is widely considered to be the original
2.
:)
3.
ϿفϾ
4.
(:()
5.
=)
6.
◲ ‿ ◱
7.
◉ ◠ ◉
8.
Ͽ‿Ͼ
9.
ʘ ෴ ʘ
10.
o_ୀ
11.
ϐ ]
12.
ϿفϾ
13.
ϴ___ϴ
14.
ʭ ()
15.
ʘ_ ʘ
16.
8 ɜ )
17.
(^_^)
18.
(-_-)
19.
(>'_')>
20.
(._.)
21.
☺
22.
ಠ_ಠ
23.
Ơ_Ƣ
24.
:ɛ)
25.
(oɷo)
26.
ʘϖʘ
27.
𝄐‿𝄐
28.
ↀ◡ↀ
29.
(◕◡◕)
30.
:ر
31.
_
32.
:۹
33.
◕ ݑ ◕
34.
@ ߸ @
35.
Ͼ ৺ Ͽ
36.
় _ ়
37.
৺ . ৺
38.
ୖ ‿ ୖ
39.
ి_ి
40.
฿)
41.
࿊_࿊
42.
ᔊ‿ᔉ
43.
:ᗟ
44.
ᢀ_ᢀ
45.
⁑ o
46.
❤⃣ ‿ ❤⃣
Add your own in the comments. Special thanks to the "List of Unicode Characters" Wikipedia page.