diff --git a/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java b/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
index ad13312..c4bbb97 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/LolAdvisorRunApp.java
@@ -65,7 +65,7 @@ public class LolAdvisorRunApp {
 					lolQueryService.titleContains(argumento[1]);
 					break;
 					case "-l":
-						daoImplMemory.findAll();
+						daoImplMemory.mostrarTodos();
 					break;
 					case "-c":
 						daoImplMemory.mostrarCantidadPersonajes();
diff --git a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
index 407a0ec..cbb08f1 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDao.java
@@ -5,7 +5,7 @@ import java.util.Collection;
 
 public interface LolDao {
 	public void buscarPorID(long id);
-	public Collection<Lol> findAll();
+	public Collection<Lol> mostrarTodos();
 	public void insertarPersonaje(Lol videogame);
 	public void editarPersonaje(Lol videogame);
 	public void eliminarPersonaje(long id);
diff --git a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
index 99a5bea..6d31e95 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/dao/LolDaoImplMemory.java
@@ -29,7 +29,7 @@ public class LolDaoImplMemory implements LolDao {
 		System.out.println(result.orElse(null));
 	}
 	@Override
-	public Collection<Lol> findAll() {
+	public Collection<Lol> mostrarTodos() {
 		return lol;
 	}
 
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
index 6e2f1a8..6277a52 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryService.java
@@ -9,6 +9,5 @@ public interface LolQueryService {
 	public LolQueryService allName(String... name);
 	public LolQueryService titleContains(String title);
 	public LolQueryService mostrarPorDificultada(String... dificultad);
-	public LolQueryService mostrarPorGenero(String... genero);
 
 }
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
index cc2d249..05ea3ac 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolQueryServiceImpl.java
@@ -26,7 +26,7 @@ public class LolQueryServiceImpl implements LolQueryService {
 	@Override
 	public Collection<Lol> exec() {
 		//@formatter:off
-		return dao.findAll()
+		return dao.mostrarTodos()
 				.stream()
 				.filter(predicate)
 				.collect(Collectors.toList());
@@ -60,11 +60,4 @@ public class LolQueryServiceImpl implements LolQueryService {
 		predicate = (predicate == null) ? pAnyGenre : predicate.and(pAnyGenre);
 		return this;
 	}
-
-	@Override
-	public LolQueryService mostrarPorGenero(String... genero) {
-		Predicate<Lol> pAnyGenre = (lol -> Arrays.stream(genero).anyMatch(lol.getGenero()::contains));
-		predicate = (predicate == null) ? pAnyGenre : predicate.and(pAnyGenre);
-		return this;
-	}
 }
diff --git a/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java b/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
index 5d2b259..2ccefec 100644
--- a/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
+++ b/src/main/java/com/cristobalbernal/loladvisor/service/LolService.java
@@ -20,7 +20,7 @@ public class LolService {
 		List<String> result = null;
 
 
-		result = lolDao.findAll()
+		result = lolDao.mostrarTodos()
 				.stream()
 				.map(lol -> lol.getRol())
 				.flatMap(list -> list.stream())
@@ -36,12 +36,11 @@ public class LolService {
 	public Collection<Lol> findByAnyGenre(String... genres) {
 		return queryService.anyName(genres).exec();
 	}
-
 	public Collection<Lol> findByAllGenres(String... genres) {
 		return queryService.allName(genres).exec();
 	}
 	public Collection<Lol> buscarPorDifucultad(String... dificultada){
-		return null;
+		return queryService.mostrarPorDificultada(dificultada).exec();
 	}
 
 	public Collection<Lol> findByTitleContains(String title) {
@@ -49,6 +48,6 @@ public class LolService {
 	}
 
 	public Collection<Lol> findAll() {
-		return lolDao.findAll();
+		return lolDao.mostrarTodos();
 	}
 }