Because you like Optimus Prime in Transformers
With an undeniable sense of adventure, Huck Finn is an expert at getting into and, more importantly, out of sticky situations. See them in The Adventures of Huckleberry Finn.
Unaware of the fact that he's a toy and made of plastic, Buzz Lightyear is a spaceman on a mission fully of snappy catch phrases. See them in Toy Story.
NiGHTS is a powerful but childlike spirit who hates being told what to do. See them in NiGHTS into Dreams.
Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.
Melinda May is a woman of few words and many talents. Most of them martial. See them in Marvel Cinematic Universe.
The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.
Dr. Gordon Freeman is a brilliant physicist is a quiet hero. And given all the violent aliens, he better be. See them in Half-Life.
Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.
Protecting Earth from mystical threats and training new members, Ancient One has her hands full with her latest recruit Stephen Strange. See them in Marvel Cinematic Universe.
Fate has forced Amuro into the terrors of war, and he must use the Gundam and all of its power if he is to make it out alive. See them in Mobile Suit Gundam Series.
Indiana Jones is a swashbuckling archeologist who hates snakes, Nazis, and priceless artifacts falling into the wrong hands. See them in Raiders of the Lost Ark.