These are ascii symbols possible to use in Popomundo. Just copy and paste the symbol if you want it in your tattoo, band name or where ever you have use of them.
∞ ╬ † ‡ ¤ Ω ™ µ ß Λ Ɣ ƾ ۩ ۞ • ๏ ๑ ๐ ¡ £ $ § © ® ± » « ÷ ɷ ː ۃ ˓ ˒ ζ ξ δ θ Ψ Π Φ Σ Ж Ϟ ※ ﭿ ﮡ ﮩ שׁ ﺹ ﺝ ﷲ ﻶ ◘ ► ◄ ≈ ∞ ↨ ↔ № ♥ ✡ ♫ ൠ ☠ ☣ ☸ ★ ☆ ☢ ☜ ♔ ♀ ♪ ♫ ♭ ♐ ♂ ❀ ✖ ❝ ❞ ♥ ↯ ☃ ۩۞♘♨✈✮❀✿❧❦ ☠ ☣ ☸ ★ ☆ ☢ ☜ ♔ ♀ ♪ ♫ ♭ ♐ ♂ ❀ ✖ ❝ ❞ ♥ ↯ ☃ ∞ ♂ ♀ ╬ † ‡ ♰ ♱ ¤ ♠ ♥ ♣ ♦ ☻ ☺ Ω ™ µ ß Λ Ɣ ಌ ೡ ƾ ۩ ۞ ☼ ♫ ♪ • ౪ ๏ ๑ ๐ ¡ £ $ § © ® ± » « ÷ ɷ ː ۃ ஐ ௫ ஊ మ ˓ ˒ ζ ξ δ θ Ψ Π Φ Σ Ж Ϟ ҉ ҈ ஃ ჯ ※ ﭿ ﮡ ﮩ שׁ ﺹ ﺝ ﷲ ﻝ  ﻶ ◘ ► ◄ ≈ ∞ ↨ ↔ № ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ® ¯ ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ ß ˆ ˇ ˉ ˘ Ξ Σ Φ Ω π € ∆ ∏ █ ▌ ▐ ░ ▒ ▓ ■ □ ▪ ▫ ▬ ○ ● ◘ ◙ ◦ ☺ – — ‗ ‘ ’ ‡ † • ▲ ► ▼ ◄ ◊ ○ ● ◘ ◙ ☺ ☻ ☼ ♀ ♂ ♠ ♣ ♥ ♦ ♪ ♫
Find more here (You can only see those, for which you've installed the language packs. In Windows you can do that in the Control Panel)