Kamehameha – An energy blast of which Master Roshi created. He presumably taught it to Grandpa Gohan and then several of the Z Fighters of Earth, including Krillin and Yamcha. Goku figured out how to perform the technique after witnessing Master Roshi use it. This then became Goku's signature attack. Tien gained the ability to perform the Kamehameha, and double its power when he observed it from Yamcha. Majin Buu also learns the attack after seeing Goku use it. The attack is performed by cupping the hands at the side of the body, usually the right, drawing them back and saying "KA-ME-HA-ME-HA" in five stages, before thrusting the hands forward and shooting a powerful blue energy beam towards the target. In Dragon Ball Z: Resurrection ‘F’, Roshi demonstrates the ability to fire the Kamehameha with one hand, after he was interrupted by a kick to the head before he finished his normal incantation.
The Original Kamehameha – The original version of the Kamehameha, it involves many arm sweeping movements before cupping the hands together.
MAX Power Kamehameha – This is simply a Kamehameha performed after ki is gathered into all parts of the body, causing a far more muscular build than normal. This causes a much more powerful blast than normally possible. Capable of destroying a planetary body about the size of Earth's moon.
Kiai – Also called Sawayaka Na Kaze, it is an invisible wave of ki that Roshi emits by waving his hand. As Jackie Chun, he uses the technique to defeat Yamcha in the 21st World Tournament. He also uses the technique in Dragon Ball: Origins.
Hypnosis Technique – A technique that was used by Master Roshi at the 22nd World Martial Arts Tournament against Man-Wolf. It can be used to hypnotize and control the mind of the opponent.
Sleepy Boy Technique – Used by Master Roshi at the 21st World Martial Arts Tournament (as Jackie Chun). Basically this is a hypnosis move used to put the opponent to sleep, by using hand motions and weird voice sounds.
Telepathy – The ability to channel one's thoughts to another being. Master Roshi uses this at the 21st World Martial Arts Tournament to read the mind of Nam who was in desperate need of water for his drought-ridden village. He later uses this to converse between himself and the Master Shen during the 22nd World Martial Arts Tournament, even if the conversation was merely exchanging insults.
Thunder Shock Surprise – The most potent and powerful attack used by Master Roshi (disguised as Jackie Chun) in which he shoots a lightning blast towards the target using both hands, and traps the opponent within an electric field. The attack is extremely lethal and dangerous, and as such, Roshi prefers not to use it. Before Goku, Master Roshi had only needed to use the attack once before while sparring with Grandpa Gohan.
Evil Containment Wave – Invented by Mutaito as a way to capture King Piccolo. The problem with this technique is that it sacrifices the user's life. First, you hold one hand in the air, palm up, and stick two fingers out. Basically, you concentrate on the user and pick them up, forcing their spirit to a destination. In all the cases, the user was forced into a container with a holy talisman charm reading "demon seal" or "magic seal". The aim has to be perfect in order to get the user inside the jar, and it takes a great deal of discipline.
Pump Up – One of Master Roshi's Blast 1 in his Max Power form in the Budokai Tenkaichi series.
Jan Ken – This is Goku's signature attack in early Dragon Ball, but is soon replaced by the Kamehameha. The user shouts Jan-ken, then a name corresponding to the attack. Jan-ken-gu, equals rock and will be a strong punch. Jan-ken-choki, equals scissors and will be a poke in the eyes. Jan-ken-pa, equals paper and will be an open palm strike. The same technique was taught to Goku's grandfather by Master Roshi. It is unknown whether he is the inventor of the technique although it is assumed so.
Drunken Fist – Master Roshi used this technique as Jackie Chun in the World Martial Arts Tournament. He acts drunk wobbling around, and while the opponent is confused, he hits him catching him off guard. Quite possibly a reference to the Jackie Chan movie, Drunken Master.
Drunken Turtle Punch – A cane smack performed while acting drunk. Used in the Butōden series.
Drunken Turtle Kick – A kick performed while acting drunk. Used in the Butōden series.
Elephant Punch – A punch performed with the back of an opened hand. Used in the Butōden series.
Pressure Point Attack – A technique which, by touching certain pressure points on an opponent's body, can incite effects such as paralysis. This bound technique was used by Master Roshi when he pitted against Man-Wolf during the 22nd World Martial Arts Tournament. Despite its usage in the manga, it was only named in the anime.
Two-Level Knee Hit – A jumping knee strike followed by a kick. Used in the Butōden series.
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