Lord Ragnorok

Ruler of the 2nd dimension saiyan race, Ragnorok appears in the z-fighters dimension when he found out that he had a huge chance of getting beaten by Goku in the other dimension so he is here to destroy Goku while he has the chance.

Lord Ragnorok is the leader of an outstanding evolved Saiyan race that are much more powerful than any other saiyan in this dimension. They have been enhanced with years of alien technology and each one is as strong as freiza but..Ragnorok is the strongest by far.

Ragnorok's power level has reached over 12,000,000,000 in his fight with Goku as his power rips the opposite planets apart.

He first appears in the episode 36 in the brand new series which is basically 327, He flies down in a ship that looks like it is from the future.

His personality is very stubborn and is quite patient, he never makes a risky move and always evaluates his opponants before he battles.

Forms:

Super Saiyan

Super Saiyan 2

Super Saiyan 3

Super Saiyan 4

Eternal Saiyan (also known as SSJ5)

The Eternal Saiyan form allows saiyans to have permenant youth and energy while in this form like a time stop process for their bodies. Goku and Ragnorok are the only 2 saiyans that have ever achieved this goal and getting to achieve this goal is the hardest process.

Ragnorok seems to not harm bulma because she reminds him of her mother.

Battle with Goku
Goku and Ragnorok arrive on the elder planet gonwea as the prepare for battle, Ragnorok not knowing that Goku has already achieved Eternal Saiyan form and evaluating his current Super Saiyan 4 state which then he makes the first move.

Goku gets pummeled around for quite a bit but then retaliates with a devastating blow to the ribs which leaves Ragnorok on the ground in pain until he looks up and sees Goku transforming into Eternal Saiyan. Ragnorok then transforms into Eternal Saiyan and battles Goku fearlessly as they both smash each other to pieces but he leaves Goku helpless as he gets a powerful Ki Beam to the body.

The eternal dragon Shenron is summoned back on earth and wishes that Goku was fully healed and restored to his normal state. The wish was granted just in time before Ragnorok did the finishing blow.

With the help of Vegeta, Goku and Vegeta do a fusion in SSJ4 form which makes a more powerful Vegeto ready to destroy Ragnorok from existance and stop his evil conquering of the entire universe.

He ends up being blasted with a devestating kamehameha blast.

Return of Lord Ragnorok
The Powerful Eternal Saiyan comes back to life during the fight with Darva for the universe and helps Goku learning that Ragnorok's family died from the might of darva and ends up forming a friendship with the z-fighters but leaves after he has helped destroy him and vows to never try and conquer the universe again.