Deidara was originally teamed with Sasori, whom Deidara referred to as Master Sasori. This is probably because Deidara had a lot of respect for his fellow artist. He also admits that Sasori was a lot stronger. Despite that, Deidara still argued with Sasori about what art is and directly disobeyed his command in spite of a threat to be killed. Deidara held that art is transient, departing quickly. Sasori believed that fine art is something wonderful that's left long into the future. This reflects their individual natures (Deidara makes clay sculptures that explode, Sasori makes long-lasting puppets out of humans). Deidara outwardly seems to respect Sasori's beliefs, but couldn't resist getting a final jab in after Sasori's death: "Like anything that is left for the future as a thing of eternal beauty... He got killed straight off!"
A fancy and skillful fighter, Deidara uses special mouths in the palm of each hand to manipulate clay into many shapes, often making animals from it. He commonly creates a flight-capable clay bird as a mode of transportation. In addition to making animals from the clay, he can make the clay explode on command. He often molds the clay into smaller animals to make sneak attacks on unsuspecting opponents. He also has a scope on his left eye for long-range observation.
Deidara's first appearance is during his mission to kidnap Gaara from Sunagakure. Deidara initially seems to be no match for Gaara's powerful sand attacks. His forearm is even torn off by Gaara's Desert Coffin. The loss of his arm actually turns out to be part of his strategy. By threatening to destroy Sunagakure with a massive clay bomb, he successfully draws Gaara's attention away from the exploding clay that he had snuck into Gaara's sand through his mangled arm. Gaara is knocked unconscious by the subsequent explosion. Deidara remarked after winning that it was typical of a Kage to save his village over his own life.
Deidara later faces off against Naruto Uzumaki and Kakashi Hatake. Deidara loses his right arm to Kakashi's Mangekyo Sharingan, which Kakashi unveils for the battle. When Team Guy arrives to assist, Deidara attempts a last ditch attack on his opponents by having one of his clay clones swallow as much clay as possible, turning it into a massive bomb. Kakashi teleported the clone away from the scene while the real Deidara escaped. Deidara later returned to locate his right arm (specifically the ring on it), only to find Zetsu and Tobi next to it. Both express surprise that Deidara had managed to survive while Sasori had not. Tobi teases Deidara about his injuries then asks if he's alright, the answer being obvious with Deidara's missing limbs. Annoyed, Deidara threatens to assign Tobi a cause of death. Tobi asks if it's death by explosion again, having apparently already been assigned a cause of death once. In response, Deidara tells him death by suffocation and proceeds to strangle Tobi with his feet in a comical fashion.
Deidara has his arms reattached by Kakuzu sometime after this point, and now has Tobi as his new partner. Deidara gets impatient with Tobi fairly easily since Tobi rarely pays attention to what he is saying. Tobi also tends to take credit for their work, despite whatever Deidara did. After they capture the three-tailed beast, Deidara lectures Tobi about being too overconfident. He becomes greatly annoyed when he discovers that Tobi has fallen asleep and proceeds to "wake him" by blasting Tobi with his exploding clay.
-Deidara's a man!!! No way!!!
- I like Sasodei!!
Deidara is a well-known member of the Akatsuki originating from Iwagakure, who generally mistaken for a girl and has the most fangirls or *ahem* fanboys in some cases. He is well known for his catchphrase "Art is a bang!", being an explosionist, having more than subtle feminine looks and the fringe covering one eye. He rarely appeared in the original Naruto series, but plays a big part in Shippuden.
It is sometimes said that Deidara has more fangirls thanItachi and Sasuke, the Uchiha brothers.
He is also well recognised for adding "Un", or in the English dubbed versions "Yeah" at the end of every sentance. The mouths on both of his palms are usually a suprise to opponents and can be formiddable, he uses them to chew up plastic clay and create a bomb.
Example #2: You cosplay Deidara and i'll beSasori.
Deidara is often said to be a girl. He's not! Yes, his hair is longer than mine, but that's the only feminine ressemblance he has. The hair is long and he keeps it in a ponytail but he has part of it covering one of his eyes. He has blue eyes and blond hair.
Deidara is probably one of the most popular characters, despite him being a bad guy. He even has more fangirls than Itachi or Sasuke.
I am personally his fangirl also. Thus, I was pissed when he died. He died fighting Sasuke. In fact Deidara blew himself up, but he thought Sasuke would die with him but Sasuke didn't die. He was perfectly fine. So Deidara died in vain.
Deidara was a bomber, and believed true art was found in the moment, that it was fleeting. He's from Iwagakure, the village hidden in the rocks.
Deidara is often adding "un", "yeah", or "hm" to the end of sentences. His catchphrase is "Art is an explosion" or "Art is a bang".
Deidara fangirls all hate Sasuke because he was there when Deidara blew himself up. They just can't get over the fact that Deidara is a suicide bomber.
Normal person: ...His name is DEIDARA.