"One of the five major elements which make up this world, the spark that ignited genesis, the light which nurtures life, and the illumination of judgment which vanquishes all evil. While at times a gentle blessing given to men by gods, it is also a terrible curse which annihilates everything. Its name is fire."
― Stiyl Magnus (A Certain Magical Index)
"Of course you should fight fire with fire. You should fight everything with fire."
― Jaya Ballard, Task Mage; flavor text of "Sizzle" (Magic the Gathering)
"BURN WITH ME!"
― Torajii, Doctor Who, 42
"Fire is the element of power."
― Iroh to Zuko. (Avatar: The Last Airbender)
"Fire never surrenders. If it cannot burn through, it burns around. Block its path and it sends sparks through the air, to begin the blaze anew somewhere else. Fire always finds a way."
― Toa Tahu (BIONICLE Adventures #4: Tales of the Masks)
User can create, shape and manipulate fire, the rapid oxidation of a material in the exothermic chemical process of combustion, releasing heat, light, and various reaction products, flame being the visible portion of the fire. Depending on the substances alight, and any impurities outside, the color of the flame and the fire's intensity will be different.
Ifirit (Arabic Mythology) are supernatural creatures in Arabic and Islamic culture. They are a class of infernal Jinn, spirits below the level of angels, well know for their strength, cunning, and ability to control flames.
Hephaestus (Greco-Roman Mythology) as the God of Fire, has absolute control and divine authority over fire, heat, and lava.
Sbeastion (Black Butler) uses fire from candles to set the place ablaze.
Genryusai Shigekuni Yamamoto's (Bleach) Ryūjin Jakka is the oldest and most powerful fire-type Zanpakutō, and has greater offensive power than all other Zanpakutō in Soul Society.
The Firey Card (Cardcaptor Sakura)
Natsu Dragneel (Fairy Tail) is the Fire Dragon Slayer being able to create and manipulate fire.
Erza (Fairy Tail) can manipulate fire by using her Flame Express Armor.
Natsume Hyuuga (Gakuen Alice)
Feitan (Hunter x Hunter)
Muhammed Avdol (JoJo's Bizarre Adventure Part III Stardust Crusaders) can create and manipulate fire with his Stand, Magician’s Red.
Ayano Kannagi (Kaze no Stigma)
Most of Halloween’s (Marchen Awakens Romance) ÄRMs focus on the manipulation of fire. He is a Knight class in the Chess Pieces and the 3rd strongest.
Guardian ÄRM, Kikazoku Fire (Marchen Awakens Romance) as his name implies, is a guardian with the element of fire. It is said his fire is the most dangerous of all ÄRMs.
Orb (Marchen Awakens Romance) has the power to summon and command the Guardian ÄRM, Phoenix.
The flames Leno (Marchen Awakens Romance) creates with Nature ÄRM, Flame Ball can be hurled at the enemy and even used to coat his weapons.
Obito Uchiha (Naruto) using a Fire Style technique.
Sasuke and Itachi Uchiha (Naruto) use the Fire Style: Fireball Jutsu/Blaze of Glory.
Madara Uchiha (Naruto) using Fire Style: Majestic Destroyer Flame.
Sasuke Uchiha (Naruto) using Inferno Style/Blaze Release the highest level of fire nature transformation.
With his Devil Fruit, the Mera Mera no Mi, Portgas D. Ace (One Piece) could summon intense flames...
...as well become it.
Because of the Gasu Gasu no Mi Caesar Clown (One Piece) can manipulate fire through his control of oxygen.
After Ace's death, Sabo (One Piece) ate the Mera Mera no Mi gaining its immense power.
Thanks to a cybernetic core, Genos (One Punch Man) is a walking flamethrower.
Cure Rouge (Precure 5)
Sailor Mars (Sailor Moon)
Cain Barzad (Seven Deadly Sins) uses his ability Blaze to create, control and release fire.
Spirit of Fire (Shaman King)
Cure Sunny (Smile Precure)
Rai (Tai Chi Chasers) can use Fire
Bravenwolf Tenkai Firestorm (Tenkai Knights)
Zeru (Yu Yu Hakusho) specializes in manipulating heat energy.
Julis-Alexia von Riessfeld (The Asterisk War)
Hikaru Shidou (Magic Knight Rayearth)
Roy Mustang (Fullmetal Alchemist)
With his Quirk, Dabi (My Hero Academia) can create and control blue flames.
By drinking the ambrosia of Efreet, Kai Watari (Shinju no Nectar) gain the flame powers of a Fire God.
Elemental Hero Burstinatrix (Yu-Gi-Oh! GX)
As with other Burnishes, humans mutated by connection with flame-based inter-dimensional entities called Promare, Lio Foltia (Promare) can not only created and manipulates flames, but also shaped it into solid constructs such as a motorbike...
...or armor and weapon
The Second Generation (Fire Force) are people, who have adapted to Spontaneous Human Combustion and were granted the ability to manipulate and control existing flames.