וַיְהִ֛י בַּשָּׁנָ֥ה הַחֲמִישִׁ֖ית לַמֶּ֣לֶךְ רְחַבְעָ֑ם עָלָ֛ה שושק [שִׁישַׁ֥ק] מֶֽלֶךְ־מִצְרַ֖יִם עַל־יְרוּשָׁלִָֽם׃
And it came to pass in the fifth year of king Rehoboam, that Shishak king of Egypt came up against Jerusalem;
Rashi on I Kings
Shishak. We find in Midrash Shir Hashirim that this was Pharaoh Neco. He was called Shishak because all his life he longed for [=שוקק] the ivory throne that belonged to Shlomo his son-in-law, and now, he went up and took it.