He will laugh
Izik 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 conceive a child in her old age.
Less common today
Izik isn't in the latest US Top 1000. It last peaked at #2,264 in 2003.
US births per 5-year period, 1990βpresent (SSA data).