David Ellefson

Career overview

Role: Meticulous television and film archivist.
Task: Write a 180-260 word career overview of David Ellefson (specifically focusing on Acting, based on the prompt's instruction "career overview of David Ellefson (Acting)").
Constraints:
Use ONLY verifiable facts from the provided sources.
No invented titles, names, dates, etc.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Word count: 180-260 words.
Structure: 2-3 short paragraphs.
Sources provided:
[1] TMDB: Known for acting, 31 known credits, Male, Birthday Nov 12, 1964, Place of Birth Jackson, Minnesota, USA. Also known as Megadeth.
[2] IMDb: Actor and composer. Known for Super Mario Bros. (1993), Dwellers (2021), and The Lucid: Hair (2022). Married to Julie Foley since 1993. Two children.
[3] TMDB Bio: Musician, renowned bassist, member of Megadeth.
[4] Simple Wikipedia: American bassist, member of Megadeth, founding member with Dave Mustaine. Lives in Scottsdale, Arizona.
[5] Biographies.net: General placeholder.
Name: David Ellefson (also David Warren "Dave" Ellefson).
Profession: Actor, composer, musician, bassist.
Acting Credits: Super Mario Bros. (1993), Dwellers (2021), The Lucid: Hair (2022).
Total Credits: 31 (from TMDB).
Musical connection: Member of the American thrash metal band Megadeth; founding member along with Dave Mustaine.
Paragraph 1: Introduction and Musical Background.
David Ellefson, also known as David Warren Dave Ellefson, is an American bassist, musician, composer, and actor. He is a founding member of the American thrash metal band Megadeth, having established the group alongside Dave Mustaine. Born on November 12, 1964, in Jackson, Minnesota, United States, Ellefson is recognized as a renowned bassist.
Paragraph 2: Acting Career.
In addition to his musical career, Ellefson has established a presence in film and television. He is credited with 31 known credits in the industry. His acting work includes appearances in the 1993 production Super Mario Bros., the 2021 film Dwellers, and The Lucid: Hair in 2022. His professional contributions extend to work as a composer.
Drafting check:
Word count check:
"David Ellefson, also known as David Warren Dave Ellefson, is an American bassist, musician, composer, and actor. He is a founding member of the American thrash metal band Megadeth, having established the group alongside Dave Mustaine. Born on November 12, 1964, in Jackson, Minnesota, United States, Ellefson is recognized as a renowned bassist.

In addition to his musical career, Ellefson has established a presence in film and television. He is credited with 31 known credits in the industry. His acting work includes appearances in the 1993 production Super Mario Bros., the 2021 film Dwellers, and The Lucid: Hair in 2022. His professional contributions extend to work as a composer."

Word count: ~115 words. This is too short. The requirement is 180-260 words.
Expanding the content using only provided facts:
I need to expand without inventing.
Facts available:
Name