Who plays Gibb in Freddy vs. Jason?

Gibb is played by Katharine Isabelle.

What are Gibb's abilities?

Gibb's abilities include dream resistance, friendship, courage.

Gibb has 3 mapped relationships in Freddy vs. Jason. Explore the interactive relationship map for details.

Gibb — Conflict Killer — Jason Voorhees (Ken Kirzinger)
Jason's intervention converts Freddy's intended dream attack into a physical killing.

While Freddy attacks Gibb in a nightmare, Jason kills her in the real world.
Gibb — Conflict Dream Target — Freddy Krueger (Robert Englund)
Gibb is selected as one of Freddy's intended dream victims.

Freddy attempts to kill Gibb in a nightmare while she is passed out at the rave.
Gibb — Social Friend — Lori Campbell (Monica Keena)
Gibb belongs to Lori's initial social circle.

The plot states that Lori hangs out with her friends, including Gibb.