Names!
Jeffrey. Knock knock, Who's there? NOT JEFFREY
A speech impediment.
Cause North and South Poles repel each other ...
Mom : typing ... *gets married* *have kids* *gets old* *dies* *goes to hell* Mom: Fish, honey!
She remembers them by their last names.
She looked at their last names...
Names
Because he wears an eyepatch and has poor depth perception.