I made a real goof by forgetting his name. — Я по-настоящему лоханулся, забыв, как его зовут.

Спасибо всем огромное, кто помог мне. Вы у меня настоящие друзья.
Thank you for helping me now. You're my real friends.

Absolutely! We’re here to help one another)))

Grumbler’s translation is also correct, but (1) only in Britain; and (2) it contains BUGGER, which refers to sodomy, so use it with discretion.