He is a very intense actor onset. He has done countless war movies and has gone through military training to get into character for those movies. He has also worked on action movies as the villain or the sidekick. He was rarely the hero in the movies he played.

He is extremely goofy offset. He cracks jokes to lighten the mood. He has made a few patients in the hospital laugh from his silly demeanor.
Because of this relaxed and silly attitude makes him easy to get along with, although some actors are still wary of him.
Stronheim is a favorite among the young actors and actresses, he starred in movies they grew up with. He will take pictures with fans. Since he has been around for a while, he is much more chill to interact with than some other actors.
Some of his favorite actors to hang with are Speedwagon, Jonathan, Joseph, Abacchio, Giorno and Polnareff. He has tried to talk to Ciaccolatta, but he is usually avoided.

Stronheim is very sharp. He has made so many improvisations that Director Dio sighs whenever he is on set. These improvisations are usually ridiculous sayings. Many of his exclamations are improvised. He made a lot of people laugh and stopped filming many times.
His laughs were also improvised. He has scared Santana so badly that the younger actor refuses to interact with him without someone else present.
He does flub lines sometimes and has been a little clumsy. He is also kind of blind. He needs contacts.

The special effects departments and the lighting department is where he usually helps out with or hangs around. He only visits the hair and makeup tent when his hair needs to be fixed. His hair is like sandpaper. Kars has gotten onto him several times for not conditioning his hair like he should. Joseph telling him to condition his hair was a real reaction.
Stronheim loves the cyborg costume. He thinks it is so much fun. Reminds him of some movies he used to play in.

BLOOPERS:

He doesn't flub lines as much but he does improv.
He has had some accidents onset on the occasion.

He once fell before he was supposed to and slid down the slope in the fake snow. Kars and Joseph chased him since he was weighed down from the costume. He made a joke about it afterwards to lighten the mood.