Looney Tunes

Bugs gets himself adopted as a pet by a kindly soul who has been feeding him carrots every day. Bugs' friend turns out to be Dr. Jekyll who drinks his evil potion and turns into a monster. Bugs ended up drinking some of the potion and once back in the park he is transformed into a monstrous rabbit. / A poor man finds a singing frog in his building and takes him to a talent agent so he can try to make money off him. The frog doesn't sing in front of an audience so eventually the man puts the frog in another building. Years later another man finds a singing frog who he thinks will make him a lot of money, but he has found the same frog. / An apple falls on Bugs' hairdryer sending him back to medieval England. Bugs encounters a big angry knight who he trips and sends flying into a nearby castle. When Bugs enters the castle he finds Merlin there and talks him into using his magic. Merlin turns Bugs into a pig until Bugs unzips the pig costume. Then Bugs turns Merlin into a donkey but every time he unzips his donkey costume there is another one under it. When Bugs returns to the present he is surprised to see a donkey named Merlin there.