Former President Ronald Reagan’s son is venting his frustrations with Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE, taking to Twitter Monday into Tuesday to explain why his father, were he alive today, wouldn’t support the GOP presidential nominee.

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Michael Reagan, who’s been a vocal opponent of Trump, dismissed his proposed tax plan that some say resembles the former president’s, adding that Ronald Reagan would suggest voting for down-ballot Republicans as a way to be a check on Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE.

“I am glad my father is not alive to watch this...He would tell us to vote the down ticket to stop Hillary,” he tweeted on Monday.

I am glad my father is not alive to watch this...He would tell us to vote the down ticket to stop Hillary.. https://t.co/ruSKUGaEZ8 — Michael Reagan (@ReaganWorld) October 3, 2016

“Don't care if [Donald Trump’s] tax plan mirrors my fathers..He is no [Ronald Reagan]..and u need to get elected to implamenft (sic) it,” he later tweeted.

Michael Reagan also responded to a tweet about his mother to say that first lady Nancy Reagan would have voted for Clinton too, and was “appalled” by comparisons of Trump and the former president.

Jane Wyman was my mother but I can tell u that Nancy would vote for Hillary and was appalled to hear people say he reminds them of RR. https://t.co/DKsikyfuWs — Michael Reagan (@ReaganWorld) October 3, 2016

“Jane Wyman was my mother but I can tell u that Nancy would vote for Hillary and was appalled to hear people say he reminds them of RR,” he tweeted.

He also knocked Trump for suggesting that Clinton is cheating on her husband, former President Bill Clinton William (Bill) Jefferson ClintonGOP brushes back charges of hypocrisy in Supreme Court fight Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE. During a rally Saturday night, Trump questioned Clinton’s loyalty to her husband, taking a shot at Bill Clinton’s past infidelities.

“I am embarrassed by Trump and the applause he receives when infering (sic) she cheats on Bill..Not the Party of Reagan..Someone has to stand up,” he tweeted.

I am embarrassed by Trump and the applause he receives when infering she cheats on Bill..Not the Party of Reagan..Someone has to stand up https://t.co/ATYzc9HPj5 — Michael Reagan (@ReaganWorld) October 3, 2016

Michael Reagan has been an outspoken critic of Trump during this election cycle, saying earlier this year he wouldn’t vote for Trump in the Republican presidential primary and that his father would be “confused” by the real estate mogul.