Ted Cruz often does impersonations of famous figures while giving speeches. BuzzFeed News, in a series of deep investigations into Cruz's impressions, has uncovered his Ronald Reagan routine.
Here's Cruz in 2014 impersonating the Gipper at the Travis County Republican Party's Reagan Gala:
Here's another video of his Reagan impression from 2012:
Cruz has also done impressions of other famous leaders in history. Here's Cruz last week impersonating John F. Kennedy: