Same as Finley "Fin" Shepard, alternate name representation in later films.
Billy becomes a temporary civilian ally in the survival effort.
Billy escapes the Universal attack with the family group and later fights sharks with Claudia while Fin's team prepares for launch.
Lucas temporarily joins Fin's emergency response team.
Fin, Nova, and Lucas form a trio that drives to the Charleston Air Force Base and seeks transportation to Orlando.
Their prior work relationship becomes a basis for renewed cooperation.
Nova reveals that she was Fin's former employee before the sharknado events described in the plot.
Explore the full interactive character relationship map of Sharknado 3: Oh Hell No!