A name that overlooks the also great names of "Embrodak" and "Emerson". Come on guys, those names were hilarious too.
Em? What's that supposed to stand for?
Embrodak?
Emerson?
Emtarkanderundersgunderson?
Possible elongation of the name "em.", as discovered by Strong Bad whilst checking his email.
Teacher: Bobby?
Bobby: Here!
Teacher: Sally?
Sally: Here!
Teacher: Em?
Em: I go by emtarkanderundersgunderson.
One with a long and stupid name. Abbreviated to Em.
Boy, Em, you sure have some long and stupid names.