Vegan cupcakes are sooooooooooo easy, if you need help just google "chocolate vegan cupcake recipe" (or whatever flavour you are planning to do)
Do red velvet, you can get queens pillar box red food colouring (which is vegan, watch out for toppings/cochineal though because colour 120 is not vegan)
and get tofutti cream cheese to make cream cheese icing!
I like using the macro spread because it is vegan and doesn't have palm oil (plus it's cheaper than nuttlex)
you can also use banana, oil or chia seeds instead of egg replacer :p but whatever you feel comfortable with