Firebenders (Avatar: The Last Airbender/Legend of Korra) unlike other benders can generate their element from their body.
Genryusai Shigekuni Yamamoto's (Bleach) Ryūjin Jakka is the oldest and most powerful fire-type Zanpakutō, generating enough flames to incinerate an entire town...
...and using Hado 96: Single Blade Cremation to create a gigantic katana-shaped inferno.
Love Aikawa's (Bleach) Tengomaru can generate fire blasts.
Momo Hinamori's (Bleach) Tobuime can launch fireballs.
Like all Pyronites, Heatblast (Ben 10) can create and generate fire.
Kevin 11 (Ben 10) can generate and project fire from his left hand just like Heatblast.
Like all Methanos, Swampfire (Ben 10) can generate fire.
Alan Albright (Ben 10), a hybrid Pyronite.
Ultimate Kevin (Ben 10: Ultimate Alien) possesses Alan Albright and Heatblast' pyrokinesis.
Bomberman (Bomberman 64: The Second Attack) detonating a Fire Bomb...
...and creates even larger flames with a Navarm Bomb.
Mario (Super Mario) can generate fire while empoered by a Fire Flower.
A Flame Human, Portgas D. Ace (One Piece) could generate and create fires due to eating the Flame Flame Fruit/Mera Mera no Mi.
Franky (One Piece) can generate powerful flames with his Fresh Fire technique.
A homage to his late brother Ace, Monkey D. Luffy (One Piece) created his Gum Gum/Gomu Gomu no Redhawk by combining his Gear Second with Haki.
After Ace's death, Sabo (One Piece) ate the Flame Flame Fruit/Mera Mera no Mi and became a Flame Human, gaining its abilities.
Princess Mandie (Fairly Odd Parents) bursting into flames when angered.
Huang Ling Ling (Rosario + Vampire: Season II) generating the Fire Hell Circle.
Lucia (Princess Lucia) summons a ring of explosive fire.
Sasuke and Itachi Uchiha (Naruto) generating their clan's signature Fire Release.
Obito Uchiha (Naruto) breathing flames in a roaring fireball.
Unlike Second Generation, Third Generation (Fire Brigade of Flames) are capable of both generating fire and controlling it in various, unique ways.
Patrick Donovan (The Young Guardians) can generate flames of intense heat.
Renae James (UN Comics) creates flames.
Duncan Rosenblatt (Firebreather) creates flames.
Walt Arnold (Smallville) creates fire with his mind.
Tyler Michaels (Charmed) is an Archai with the power of create fire, although he was previously believed to be a Firestarter.
Coldfire (Gargoyles) using the flamethrower in her palm.
Cinder Fall (RWBY) generates a flame in her palm.
Nick Armstrong (The Secret Circle) generating flame.
Rikki Chadwick (H2O: Just Add Water)
Willow Rosenberg (Buffy the Vampire Slayer) uses a spell to generate fire.
Kai (LEGO Ninjago) generating fire from his hands.
Star Hanabi (Xiaoiln Showdown)
Hanabi Star (Xiaolin Chronicles)
Shouto Todoroki (My Hero Academia) possesses the quirk "Half-Cold Half-Hot" gives the right side of his body the power to generate ice
and his left side to generate fire.
Spencer (iCarly) has a bad habit of accidentally starting fires. It's become a running gag on the show for something to often set on fire if Spencer so much as touches it.
Almost all of Halloween’s (Marchen Awakens Romance) ÄRMs have the power to generate fire.
Orb (Marchen Awakens Romance) is able to call out the Guardian ÄRM, Phoenix.
If Pause's Ghost ÄRM, Verfile lands on the necessary side, General (Marchen Awakens Romance) can turn his hand into a club that generates fire.
Eudial (Sailor Moon Crystal) is able to use fire though her hands
Lucifer (The Wicked + The Divine)
Baphomet (The Wicked + The Divine)
Sakhmet (The Wicked + The Divine)
Elizabeth Sherman (Hellboy/BPRD) is a powerful pyrokinetic and thermokinetic.
A pyrokinetic mutant, Russell "Rusty" Collins/Firefist (Marvel Comics) could psionically generate and manipulate heat and flame.
Wendy Beauchamp (Witches of East End) lights up a fireplace.
An Excandesco (Grimm) generating fire from its body.