Lukaku has bagged eight goals on loan at Everton this season.
He said: "Am I getting ready for Chelsea next season?
"Yes, why else would I have signed a contract for five years?
"I still want to become one of the best strikers in the world. I hope that you can put me in line with [Edinson] Cavani, [Zlatan] Ibrahimovic, [Robin] Van Persie, [Luis] Suarez and [Robert] Lewandowski in two years' time.
"I analyse them all. I look at their movements.
"The presence of Ibrahimovic, the left foot of Van Persie, the right foot of Cavani, the movement of Lewandowski and the dribbles of Suarez.
"He is that unpredictable. In three years of the Premier League I haven't seen anyone doing what he did."
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