The striker proved to be the ace in the pack for Diego Simeone's men as he netted the winner in the 1-0 victory over Los Che at Mestalla on Thursday to see his side progress
The Rojiblancos recorded a 4-2 home win in the first leg of their semi-final tie last week, and beat Los Che 1-0 at Mestalla in the return on Thursday to book their ticket for the showpiece in Bucharest on May 9.
"I am delighted. We could not have asked for anything more. We have worked very hard both in La Liga and the Europa League. We put in a tremendous effort and were rewarded for it with a good result," Adrian was quoted as saying by AS.
"We knew that they would start with attacking intentions, so it was crucial to keep them quiet early on. We managed to hold on, and cruised to victory after the interval.
"It says a lot about Spanish teams that there are two of us in the final. It will be a great game."
Atletico will lock horns with Athletic Bilbao in the final on May 9.