These are all supported characters for Minecraft

[Sparrow 26]

Have you ever seen someone use amazingly-cool icons in-game? Well, if you want to start using these, feel free to take a look at the list that's supported by Minecraft. I tested these out myself.

1. Highlight the symbol you want to copy;
2. Press CTRL + c to copy;
3. Paste with CTRL + v in game. (Mac computers use cmd instead of CTRL)

Symbols:

Spoiler

☠ ☮ ☯ ⚜ ۩ ♂ ♀ ☿ ☢ ☣   ψ ♆ ⊙¤ ➹ ☭ 
✓✔✕ ✖ ✗ ✘

Corporate:
 

Spoiler

™®© ☎ ☏ № ✄ ✂✆ ℃ ✎

Suits / Chess:

Spoiler

♠ ♤ ♣ ♧ ♥ ♡ ♦ ♢ 
♔ ♕ ♚ ♛ 
◆◇

Shapes:

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■ □ ▢ ▲ △ ▼ ▽ ◆ ◇ ○ ◎ ● ◯ Δ ✦ ✧♱ ♰ ∞ ✚ 
∩ ⊂ ⊃ ∪ ◠◡╭╮╯╰

Blocks:
 

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 ▁ ▂ ▃ ▄ ▅ ▆ ▇ █  █ ▌▐ ░ ▒ ▓
▣ ▤▥▦▩◘◙◈ □〓≡

Music Notes:
 

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 ♫ ♬♪♩ ♭♪

Emoji:

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☻ ☺ ☹ ツ

Alphabet:
 

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Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ/ς, Τ τ, Υ υ, Φ φ, Χ χ
➀ ➁ ➂ ➃ ➄ ➅ ➆ ➇ ➈ ➉Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ
ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ
ɐ ə ɘ ε β ɟ ɥ ɯ ɔ и ๏ ɹ ʁ я ʌ ʍ λ ч
 ¿ ¡ ⇨ ❝ ❞ 

Astrology:
 

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★ ☆ ✮ ✯ ✦☄ ☾ ☽ ☼ ☀ ☁ ☂ ☃ ۞ ✪

        
        
        
        

Flowers:
 

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❀ ✿ ❃ ❂ ❁ ❀ ✣ ✤✥ ❉ 

Hearts:
 

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❤❥❣♥♡

Arrows:
 

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Small:☚ ☛ ☝
Large:☜ ☞ ✌
↑↓→ ←↘↙
►◄ ↔↕
 ⊰ ⊱ ⊲ ⊳ ⊴ ⊵
⋎ ⋏
⋖ ⋗ ⋘ ⋙

I probably missed a lot of the other options, feel free to add them to the comments below. I will update the list when possible.

 

[Branden 3]

This is by far my favorite one ☹

[Jeremy 12]

I just saw this, stealing it forever thanks @Sparrow