def METHOD_NAME(self):
    initials = '?'
    if not self.first_name and not self.last_name:
        initials = self.email[0:2]
    elif self.first_name and not self.last_name:
        initials = self.first_name[0:1]
    elif self.last_name and not self.first_name:
        initials = self.last_name[0:1]
    elif self.first_name and self.last_name:
        initials = self.first_name[0:1] + self.last_name[0:1]
    return initials