4tren is a quite strange clone of Fortran who is the brother of 3gameecho and is the father of Marreoh and Guiyii. Once, he loved romance, but at this time he hated romance. His wife is 13lona, who still loved romance. He decided to make a group called the Klu Klux 4tren, who killed married humans and any non-Guiyii. At some point, 4tren went mad and ended up killing his own and beautiful wife 13lona. Later on, he found out that 13lona was revived by Un Ded to 13lona II. He got angry and killed her again. When he says "Press Enter key to introduce old project!", you become extremely old and die. He lost all his teeth when he tried copying Fortran by eating candy. He eats too much tomato, instead of ketchup, that's why his teeth are red. His wannabe is 8tren (who copyied 4tren) but 4tren d