Wave has a WYSIWYG interface for styling your blips. For those of us used to working on the web however, the default Bold/Italic/Dot-point tools can leave a lot to be desired. Many wont have a character pallet handy, or remember the windows/mac keyboard codes for producing various glyphs either. But if you’ve worked on the web long enough, you might be familiar with HTML/unicode character entities such as & (&) and •
If you need to add various characters to your waves, and are familiar with HTML entities, then the Character Entity bot might be what you need. Add character-entity@appspot.com to your wave, and whenever you write a character (in the format &code;) the bot will happily convert the code into the correct characters for you.
Here are a few to try:
©becomes ©↔becomes ?∴becomes ?
(A more detailed list can be found at Intuitive Systems)