Character changes

You know, I've notice during the seasons, the characters sometimes change facemolds and color skin. Marshall Marshall's original appearance (Season 1-2) Marshall's post-original appearance (Seasons 2-7) Updated appearance (Season 8 onwards) Rubble Rubble's original appearance (Season 1) Rubble's post-original appearance (Seasons 2-7) Updated appearance (Season 8 onwards) Chase Chase's original appearance (Season 1) Chase's post-original appearance (Seasons 2-7) Rocky Zuma Skye