László Szikora

László Szikora (born November 1, 1968) is a Hungarian mixed martial artist, semi-retired professional wrestler and former sumo wrestler (rikishi) best known for his work in World Championship Wrestling (WCW) and RingMasters as Giant Szikora and in the WWE on the SmackDown brand as Marten. He is currently signed as a mixed martial artist to the World Martial Arts Championship (WMAC), where he competes in the Super Heavyweight weight class and is a two-time Dragon Star holder.

After a promising start to his sumo career, using the name Kotokora, Szikora switched to professional wrestling.

Early life
Szikora was born on November 1, 1968 in,. He decided to pursue Greco-Roman wrestling at the age of 18.

Sumo career
Szikora moved to in 1993 to pursue a career in sumo after being recruited by a former yokozuna who met Szikora while attending a Japanese cultural exchange event in.

World Martial Arts Championship (2005–present)
After his contract with RingMasters expired, Szikora decided to pursue mixed martial arts, and signed with the World Martial Arts Championship (WMAC). Although he trained with members of the Satake family, including Kinji Satake, he only had crash courses in Brazilian jiu-jitsu and taekwondo, along with utilization of his sumo wrestling skills, by the time he made his debut on the main event of the October 15, 2005 edition of WMAC Saturday Morning Main Event against 219-lb middleweight fighter Jean-Joseph Lemaître. Szikora led the more experienced fighter to the third round, absorbing repeated leg kicks and taking Lemaître down twice, but Lemaître capitalized and reversed a third attempt into a rear naked choke for the win.

In January 2006, Szikora took part in the 2006 WMAC Dragon Star Winter Tournament. He made it to the final round, where he managed an upset victory over welterweight fighter Kristján Geirsson by reversing a takedown attempt into a bow and arrow choke for the win.