Lucas doesn't play characters, as he has unconvincingly claimed. He is, however, a creep who transparently tailors his self presentation in consistent ways to manipulate people. Another way of thinking of it, his videos broadly fall into recognizable categories.
Here is an incomplete list:
Chef Wern. Obese glutton and creator of cheesy cukes and popcorn pasta.
The Lurker in Darkness. Holds court in a darkened room on his favorite subjects.
Lucas da Pussy God. "Neener neen neener, gitta strait quacinna." Mimics Lacie's ex, and Zoomer slang, as a mating call.
Euphoric Atheist Lucas. Explains the glories and challenges of atheism like an ignorant and edgy teen.
Drunk, Shirtless Lucas. Sloppy, sweaty and showing moobs.
Lucas the Scientist Without a Degree. He'd like to science you on to his dick, and educate you about telomeres: putting them in your butt is beneficial for you.
Homeless Lucas. Live from the street, or a porta potty, with a schizo public nuisance who cannot hide his illness and menace.
Lucas the Prophet. Delivers rambling jeremiads, accuses Xtians of being unXian, and misquotes the Bible.
Social Justice Lucas. Rails against racism, classism, homophobia and bigotry in an attempt to appeal to Gen Z; calls people niggas and faggots.
Comrade Lucas. Appeals to Gen Z's alleged socialist leanings by complaining about capitalism and Republicans, urges people to "take it up with Bernie."
Medicated Lucas. Slower, calmer, and fatter.
He seems to currently transition between Homeless Lucas, Lucas the Prophet, and Comrade Lucas. Sometimes in the same video. I miss Chef Lucas.
What'd I miss?