The Klondike Chocolate Choco Taco features chocolate ice cream in a sugar taco with a dark-chocolate-flavored coating (i.e. what some brands might call "dark chocolaty") and crispy rice.
The Klondike Peanut Butter Choco Taco features peanut-butter-flavored ice cream (peanut-buttery? Oh, wait...) with a "peanut buttery swirl" in a sugar taco with a milk-chocolate-flavored coating.