His last name is Dull.

Dull is a small village located in the Perth and Kinross council area.

He is often seen as a dull-minded person.

He is often seen as a dull-witted person.

Her presentation was as dull as ditchwater.

The movie was as dull as dishwater.

He is often called dull-headed because he lacks intelligence.

The dull fish swam lazily in the pond.

There is never a dull moment in this city.

Too much bed makes a dull head.