The Costa Rican has been a regular starter for FCK in the past two years after joining from Deportivo Saprissa in his homeland.
The 22 year-old can operate at left back and on the left side of midfield and
provide some competition for Leighton Baines and provide some more midfield
After penning his contract, the versatile left-sided player said: “I am so very happy. This is a very good opportunity for me, the last two or three days have been very stressful and tiring but I am so happy now. I am feeling good and right now everything is positive.
“I know a lot about Everton. I watch Everton games and
Oviedo, who has 13 international caps, has won the Danish league title, two Danish Cups and also played in the Champions League, and according to Everton assistant manager Steve Round, the player has been on the radar for some time.
"In terms of him as a player he can fill in multiple positions for us, he will be a big asset if we can get him, he can play left back left midfield and left wing, all the way down the left, which will help us and give us good cover in the squad. I have seen him on a regular basis, I have been abroad and watched him, as have all the scouts and the manager,” he said.
Oviedo will be David Moyes' fifth signing this summer, joining Kevin Mirallas, Ben McLaughlin, Steven Pienaar and Steven Naismith in the doors at Goodison Park.