Malone

1. Courageous

1.1. Asks for the most dangerous job on offer

1.2. Goes with Challenger on the expedition

1.3. Plans to go back to the 'Lost World'

2. Physically Fit

2.1. Rugby

3. Charismatic

3.1. Manages to interview Challenger

3.2. Creates friends with the people on the expedition

3.3. Modest

4. Curious

5. Young