Toolbar custom themes and styles

Question

I'm currently using toolbar from appCompat v22.2.0 and so far I use the classic themes

android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
app:popupTheme="@style/ThemeOverlay.AppCompat.Light"

But that's too limited so here's what I want to do.

1. Change the color of Title (if possible size and format e.g bold, italic etc)
2. Change the color of Subtitle (if possible size and format e.g bold, italic etc)
3. Change the color of the 3-dotted overflow menu-icon
4. Change text color of the actual popup menu items
5. Change background color of the actual popup menu items

EDIT: It's ok if you can answer only parts of my questions. Whatever I get is good