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And that he's not wearing the creepy blue ring but what appears to be a ring with a skull on it (what!?!); what's with the Totenkopfverbände belt buckle?

A few things about Totenkopfverbände (Deaths Head Division)

... the Skull or "Death's Head" Formations — were made up of Nazi Germany's camp guards. During World War II the SS-TV also provided troops for one of the first combat units of the Waffen-SS, the Totenkopfdivision, which eventually evolved into one of Nazi Germany's most formidable combat formations.

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The division's original cadre was drawn from the SS-Totenkopfverbände (concentration camp guards), as opposed to the other Germanic SS Divisions which were formed from the SS-Verfügungstruppe.

The members of this unit were trained and led by fanatical Nazis like Theodor Eicke, Max Simon and Helmut Becker. Eicke instilled ruthlessness in his men, and during the training at Dachau, the troops commonly spent time guarding inmates at the nearby concentration camp. The three SS-TV Standartes which were to form the Totenkopf division saw action in Poland, where they were involved in war crimes.

By the time Totenkopf went into action, it was filled with highly-indoctrinated and ruthless men, some of whom were already war criminals. An example for this is the later Higher SS and Police Leader of Eastern Russia Friedrich Jeckeln. Several days into the Fall Gelb campaign, Totenkopf men committed a war crime. 14./III.Bat/Totenkopf Infanterie Regiment-2 executed 97 British troops of the Norfolk Regiment at the town of Le Paradis. The commander, SS-Obersturmführer Fritz Knöchlein, had accused the Norfolk Regiment of using dum-dum ammunition and therefore being in violation of the Hague Convention of 1899. In that case, the British soldiers no longer had any rights as prisoners of war, but were illegal combattants who could be treated accordingly. After the war, Knöchlein himself was found guilty of war crimes and was hanged.

More from the ADL (Anti-Defamation League)

The "Death’s Head" was the symbol of the SS-Totenkopfverbande (one of the original three branches of the SS, along with the Algemeine SS and the Waffen SS), whose purpose was to guard the concentration camps. Most of the original members of this organization were later transferred into and became the core of a Waffen SS division, the Death’s Head Division. The symbol is most often seen as a tattoo, which sometimes indicates that its wearer has murdered one of the movement’s enemies (e.g., a Jew or other minority).