No offence but nothing special there. The color ain´t the best since it looks already washed out. Font of subtext could be different. Not bad for first attempt with Cinema4D, but I´d suggest to follow basic tutorials so you get the point how to use materials and effects/plugins.
Very basic designs. I´d suggest to follow beginner tutorials from ex. www.deviantart.com. They´re very helpful and will take your skills to next level rapidly.
If you want them to be animated like Nicks, they wont be with transparent background.
I can do you a C4D typography signature and avatar. How much are you looking to pay? and the payment method?