If possible replace concrete members of the Fellowship with ASoIaF/GoT characters who are tematicaly similar to them.
- Ringbearer - replacement for Frodo, strong willed character who could resist power of the Ring for extended period of time.
- Sage - replacement for Gandalf, knowledgable and wise.
- Leader - replacement for Aragorn, charismatic, noble-born warrior with leadership skills.
- Fabulous One - replacement for Legolas, the best looking member of a team... and sometimes provides support in combat.
- Drunk - replacement for Gimli, someone who is content as long as he either fights or drinks.
- Fatty - replacement for Sam, someone handling logistical support.
- Two Drugg Addicts - replacements for Merry and Pippin, comic reliefs.
- Dead Man - replacement for Boromir, someone whose purpose is to die, you know who to put here ;)
Let your imagination run wild and create the team with interesting interactions beetwen characters in mind.