”When a German gets his hands on an adjective, he declines it, and keeps on declining it until the common sense is all declined out of it. It is as bad as Latin. He says, for instance:”

SINGULAR

Nominative --Mein gutER Freund, my good friend.
Genitives --MeinES GutEN FreundES, of my good friend.
Dative --MeinEM gutEN Freund, to my good friend.
Accusative --MeinEN gutEN Freund, my good friend.

PLURAL

N. --MeinE gutEN FreundE, my good friends. 
G. --MeinER gutEN FreundE, of my good friends. 
D. --MeinEN gutEN FreundEN, to my good friends. 
A. --MeinE gutEN FreundE, my good friends.
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From The Awful German Language by Mark Twain