ADVERTISEMENT
According to Grassley's office, only 23 senators in history have cast more votes than Grassley. Grassley has been a member of the Senate since 1981.

Senate Minority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellAlabama election has GOP racing against the clock McConnell PAC demands Moore return its money Klobuchar taking over Franken's sexual assault bill MORE (R-Ky.), in congratulating Grassley on the accomplishment on the floor of the Senate, even referred to the Iowa senator’s Twitter account.

“And of course, we’re all familiar with his tweets,” McConnell said. “Much like the senator himself, they are truly one of a kind.”

Grassley, who sends his own tweets, is known for his unique abbreviations.

"This isn't just tweeting. This is avant-garde, stream of consciousness poetry. It's Jack Kerouac typing On the Road with his thumbs!" Comedy Central's Stephen Colbert said of Grassley's Twitter account earlier this year.

Senate colleagues Tom HarkinTom HarkinThe Hill's 12:30 Report Distance education: Tumultuous today and yesterday Grassley challenger no stranger to defying odds MORE (D-Iowa), Mike CrapoMichael (Mike) Dean CrapoScott Garrett poses real threat to EXIM Bank, small businesses Usually friendly, GOP may anger big banks with tax plans Overnight Finance: Trump calls for ObamaCare mandate repeal, cuts to top tax rate | Trump to visit Capitol Hill in tax reform push | CBO can't do full score before vote | Bipartisan Senate bill would ease Dodd-Frank rules MORE (R-Idaho), Jay RockefellerJay RockefellerOvernight Tech: Trump nominates Dem to FCC | Facebook pulls suspected baseball gunman's pages | Uber board member resigns after sexist comment Trump nominates former FCC Dem for another term Obama to preserve torture report in presidential papers MORE (D-W.Va.) and Thad CochranWilliam (Thad) Thad CochranTrump asks for another billion in disaster aid Congressional leaders eyeing two-year caps deal up to 0 billion Senate passes resolution requiring mandatory sexual harassment training MORE (R-Miss.) congratulated Grassley via tweets.