Yes,you can
Press the button from the left of the CTRL, called 'start', then run WoW again and log in with a different account and then you can play 2 characters from different accounts.
It may be slow if you run some programs like MSN,etc... :)
If they live in your house then without moving to another town your two characters can not play at the same time.
Well, different dancers play different characters. For example, if you play Clara in the Nutcracker you have to try to look like her (same dress, hair and everything.) If you watch a ballet you can see characters acting and dancing at the same time!
You wrote with two hands at the same time.
The only way that you could do that is if you created 2 accounts on world of warcraft, so unless you want to spend $30 a month to be able to do that, i don't think its possible. Sorry though, if there was a way i'd tell ya ;D
Timmy the sheep.
There are multiple characters that you can romance, but not at the same time as another.
There is no specific limit. Actors wore masks, so one actor could easily play several roles just by donning several masks. The maximum number of roles in a given play was limited by the fact that he couldn't be on the stage playing two characters at the same time. So, the maximum was: 'the number of characters that did not have to appear simultaneously on the stage'.
Sometimes if I listen to my favorite song, I will hit the replay button and it will play the same song again after it's done playing the first time.
Yes, you can have two planeswalkers in play at the same time in Magic: The Gathering.
Example sentence - The teams will converge on the hill at the same time.
a duet
Yes, it is possible to play the piano and sing at the same time with practice and coordination.