Yes its a variant of Marlon or Merrill.
Joy
In some sources his name is Emrys, which is a Welsh form of the Latin Ambrosius. Another form of the name Merlin is the Welsh Myrddin.
Merlin is a fictional wizard. However, he may be based on someone like Merlin who really did live; obviously the real Merlin (if there was one) did not have magical powers.
Merlin Dervisevic's birth name is Sabahudin Merlin Dervisevic.
Milton Merlin's birth name is Milton Shepherd Merlin.
Merlin Marston's birth name is Robert Merlin Marston.
Merlin's mother's name is Adhan.
no, he was a myth/legend
In the BBC Programs of Merlin, her name is Hunnith (without a second name).
Dino Merlin's birth name is Edin Dervishalidovic.
Joanna Merlin's birth name is Joann Ratner.
Frank Merlin's birth name is Mansergh, Southcote Francis.