Koopa Troopas, or just simply Koopas, known in Japan as Nokonoko, are a fictional race of turtle or tortoise-like creatures from the "Mario" series, as well as its sister "Yoshi" series, they first appeared in Super Mario Bros., a Nintendo Entertainment System game, released in what year in the U.S., a platform video game developed and published by Nintendo, for the Nintendo Entertainment System home console?
Koopa Troopa:  First appearing in the 1985 Nintendo Entertainment System game "Super Mario Bros.", they are among the oldest recurring enemies in the series, and have appeared in some form in all of the main games, and most of the spin-off games. Super Mario Bros.:  Released as a sequel to the 1983 game "Mario Bros.", "Super Mario Bros." was released in Japan and North America in 1985, and in Europe and Australia two years later.
1985