He will laugh
Izyk is a modern phonetic spelling of the Hebrew name Isaac. It originates from the biblical name Yitzhak, which was given to the son of Abraham and Sarah because Sarah laughed when told she would bear a child in her old age.
Less common today
Izyk isn't in the latest US Top 1000. It last peaked at #5,050 in 2015.
US births per 5-year period, 1990βpresent (SSA data).