The title of this article is a conjectural. Though the topic is found within The Simpsons universe, a proper name is not available.
Fireman 2 is one of the two firemen who were attempting to catch the Simpson family on their couch. The second fireman is holding the right side of the couch.
The second fireman and the first fireman hold the couch like a safety net. Marge, Bart, Lisa and Maggie land safely on the couch. Homer, however, falls screaming through the floor.